--- product_id: 77911669 title: "Precision 81-Piece Steel Gauge Block Set, Grade B Accuracy, Corrosion-Resistant, P900-S581" price: "VT72632" currency: VUV in_stock: true reviews_count: 13 url: https://www.desertcart.vu/products/77911669-precision-81-piece-steel-gauge-block-set-grade-b-accuracy store_origin: VU region: Vanuatu --- # 81 precision steel blocks Hardened to HRC 64 corrosion-resistant Grade B accuracy certified Precision 81-Piece Steel Gauge Block Set, Grade B Accuracy, Corrosion-Resistant, P900-S581 **Price:** VT72632 **Availability:** ✅ In Stock ## Summary > 📐 Elevate your precision game with the ultimate gauge block set! ## Quick Answers - **What is this?** Precision 81-Piece Steel Gauge Block Set, Grade B Accuracy, Corrosion-Resistant, P900-S581 - **How much does it cost?** VT72632 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/77911669-precision-81-piece-steel-gauge-block-set-grade-b-accuracy) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Hardened steel at HRC 64 resists corrosion and defacement for enduring reliability. - • **Trusted Standard:** Meets or exceeds ASME B89.1.9-2002 federal specifications for professional-grade tools. - • **Temperature-Tuned:** Optimized for peak accuracy at 68°F (20°C), the industry benchmark environment. - • **Precision Perfected:** 81-piece set calibrated to exacting Grade B standards for flawless measurements. - • **Certified Confidence:** Each block comes with a serial number and certificate ensuring traceable accuracy. ## Overview The Accusize Industrial Tools 81-Piece Steel Gauge Block Set delivers Grade B accuracy with certified calibration, hardened corrosion-resistant steel, and compliance with ASME federal standards—engineered for professionals demanding reliable, precise measurements in controlled environments. ## Description Product description Accusize Industrial Tools P900-S581 81-Piece Steel Gauge Block Set, Grade B Accusize P900-S581 Grade B 81-Pc Steel Gage Blocks Manufactured under carefully controlled conditions allowing for the highest degree of accuracy when used at a temperature of 68 degrees F ( 20 Deg C). Hardened to HRC 64, all gage block sets are made to special standard to resist corrosion and defacement. Each set comes with a fitted wooden case. Each Set Coming with a Certificate of Inspection Coming with a Certificate of Inspection Each set is with a serial no Each block with a serial no Each set and each block Coming with Serial Numbers Each block is engraved with a serial number. Each set is with a serial number Hardened to HRC 64 Providing Durability and Resistance to Wear The gage blocks are manufactured from high-quality steel and hardened to HRC 64. manufacturing Standards Enhance Resistance to Corrosion Special manufacturing standards enhance the resistance to corrosion and defacement, extending life. Meets or Exceeds Federal Specification ASME B89.1.9-2002 Ensuring high precision and reliability in measurements Does the set come with a certificate? Yes, the gage block set includes a certificate from the manufacturer. However, for true NIST traceability and to ensure the highest level of accuracy, we recommend having the set calibrated by an accredited laboratory. Does the set come with a certificate? Yes, the gage block set includes a certificate from the manufacturer. However, for true NIST traceability and to ensure the highest level of accuracy, we recommend having the set calibrated by an accredited laboratory. What does "Grade B" mean? Grade B refers to compliance with ASME B89.1.9-2002 standards. This grade is ideal for general-purpose shop use, offering reliable performance for a variety of measurement tasks. What does "Grade B" mean? Grade B refers to compliance with ASME B89.1.9-2002 standards. This grade is ideal for general-purpose shop use, offering reliable performance for a variety of measurement tasks. Can I use a caliper to calibrate the gage blocks? No, gage blocks are more accurate than calipers. Use the gage blocks to calibrate the caliper instead. For calibrating the gage blocks, a higher-accuracy tool like a micrometer is recommended. Can I use a caliper to calibrate the gage blocks? No, gage blocks are more accurate than calipers. Use the gage blocks to calibrate the caliper instead. For calibrating the gage blocks, a higher-accuracy tool like a micrometer is recommended. Grade B vs Other Grades Grade B ASME B89.1.9-2002 SKU P900-S581 Grade B ASME B89.1.9-2002 Count of Bore Gages 81 Measuring System Inch With a Certificate Learn More Grade B ASME B89.1.9-2002 SKU P900-S581 Grade B ASME B89.1.9-2002 Count of Bore Gages 81 Measuring System Inch With a Certificate Grade AS-2 SKU P900-S583 Grade AS-2 Count of Bore Gages 81 Measuring System Inch With a Certificate Learn More Grade AS-2 P900-S583 AS-2 Grade AS-1 SKU P900-S582 Grade AS-1 Count of Bore Gages 81 Measuring System Inch With a Certificate Learn More Grade AS-1 P900-S582 AS-1 Grade AS-2 SKU 0036-6001 Grade AS-2 Count of Bore Gages 36 Measuring System Inch With a Certificate Learn More 0036-6001 36 DIN861 Grade 2 SKU 0087-2160 Grade DIN861 Grade 2 Count of Bore Gages 87 Measuring System Metric With a Certificate Learn More DIN861 Grade 2 0087-2160 87 Metric Features of Accusize P900-S581 81 Pcs Steel Gage Block Set .aplus-v2 .vse-video-player-title, .aplus-v2 .vse-lightPlayer-vendor{ display:none; } 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The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. video Merchant Video (window.desertcartUIPageJS ? desertcartUIPageJS : P).load.js('https://m.media-desertcart.com/images/I/61rq0L4t2wL.js?AUIClients/VSEPlayer'); (window.desertcartUIPageJS ? desertcartUIPageJS : P).load.js('https://m.media-desertcart.com/images/I/3175HHgX+OL._RC|01x4giTy+uL.js,01r9LpT6pbL.js,41NWBkfooBL.js,11QfrzttlqL.js,91VXiFQ1TCL.js,01ELLYeIOkL.js_.js?AUIClients/Brila'); (function(f) {var _np=(window.P._namespace("vse-ns-initVSEPlayerOnLoad"));if(_np.guardFatal){_np.guardFatal(f)(_np);}else{f(_np);}}(function(P) { P.when('VSEPlayer').execute(function(vsePlayer){vsePlayer.initPlayer('aplus-17944-player-17d9b851-3a4d-4425-99e2-4a80c0256b52-player-ps');}); //Please use below event to register FeedbackForm P.when('A', 'VSEComponentAssets').execute('vse-ns-player-initialization', function(A, asset) { A.trigger('vse:ns:player:aplus-17944:init', 'aplus-17944-player-17d9b851-3a4d-4425-99e2-4a80c0256b52-player-ps'); }); })); Main Features Intended Use : Workshop-grade gage blocks used for basic inspections, assembly, and non-critical tolerance applications. Tolerance : Broadest tolerance compared to AS-2 and AS-1. Suitable for general workshop tasks but not precision calibration. Durability : Most durable due to less strict requirements on flatness and parallelism. Grade B : Budget-friendly, durable, and suitable for general-purpose tasks. HRC 64 Key Aspects of HRC 64 Material : Indicating hardened steel, this hardness level is commonly achieved through heat treatment processes like quenching and tempering. Properties : Highly resistant to wear and deformation, making it suitable for applications like gage blocks, cutting tools, and dies. Comparison : Compared to lower hardness levels (e.g., HRC 55-60), HRC 64 provides longer durability but is less tough (i.e., less impact resistant). Why HRC 64 Stands Out Ideal for Precision Tools Example : In metrology, gage blocks (like the Accusize P900-S581) are subject to frequent contact and surface wear from calibration tools. An HRC 64 block maintains its flatness and accuracy even after repeated use, ensuring consistency in high-precision measurements. Lower hardness blocks (e.g., HRC 54-60) may wear faster, requiring more frequent replacement or recalibration. Durability in Harsh Environments Example : HRC 64 gage blocks are better suited for environments where debris, dust, or contaminants might scratch softer materials. For instance, in a workshop setting with high tool turnover, the blocks will resist scratching or indentations that compromise their accuracy. Review: Good, In Spec Kit - Everything was nice and individually wrapped. Everything is in spec, some better than others. If you have four or five wringed together, that's when you can start to expect the error to meaningfully add up. Case is fine. Happy for the price. Review: A nice addition for my hobbyist needs! - After reading the many reviews, I decided to order this set. I can fully agree with reviews on the appearance of the blocks, the initial packing of blocks in corrosion resistant packing, and my wood case arrived in great shape as well. I don’t have the means needed to measure these down to the stated values shown on the included chart, and will just have to let that be. I’m not inclined yet to buy an expensive micrometer. Over the years I seem to have somehow accumulated several digital calipers, dial and digital indictors, and some digital height gizmos in a home shop that does mostly wood and not metal work, so go figure! Guitar tinkering is sufficient justification for this, no? Anyhow, this is a good looking set for the money and for a “nice to have” purchase, very satisfactory. ## Features - 81 pc Grade B Steel Gage Block Set with MFG'S certificate - Manufactured under carefully controlled conditions allowing for the highest degrees of accuracy when used at a temperature of 68 degrees F. (20 C). - All gage block sets are assigned serial numbers and accompanied with a certificate of inspection listing the deviation for each block - Each gage block set meets or exceeds federal specification ASME B89.1.9-2002. - Hardened to HRC 64 / All gage block sets are made to special standard to resist corrosion and defacement ## Technical Specifications | Specification | Value | |---------------|-------| | Customer Reviews | 4.7 out of 5 stars 390 Reviews | ## Images ![Precision 81-Piece Steel Gauge Block Set, Grade B Accuracy, Corrosion-Resistant, P900-S581 - Image 1](https://m.media-amazon.com/images/I/71d5MpNEAeL.jpg) ![Precision 81-Piece Steel Gauge Block Set, Grade B Accuracy, Corrosion-Resistant, P900-S581 - Image 2](https://m.media-amazon.com/images/I/51O3SkmdxZL.jpg) ![Precision 81-Piece Steel Gauge Block Set, Grade B Accuracy, Corrosion-Resistant, P900-S581 - Image 3](https://m.media-amazon.com/images/I/719gMxtNkqL.jpg) ![Precision 81-Piece Steel Gauge Block Set, Grade B Accuracy, Corrosion-Resistant, P900-S581 - Image 4](https://m.media-amazon.com/images/I/71KNlHpI-tL.jpg) ![Precision 81-Piece Steel Gauge Block Set, Grade B Accuracy, Corrosion-Resistant, P900-S581 - Image 5](https://m.media-amazon.com/images/I/61EMJdd8L3L.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: Does the set come with a certificate?** A: Yes, the gage block set includes a certificate from the manufacturer. However, for true NIST traceability and to ensure the highest level of accuracy, we recommend having the set calibrated by an accredited laboratory. **Q: What does "Grade B" mean?** A: Grade B refers to compliance with ASME B89.1.9-2002 standards. This grade is ideal for general-purpose shop use, offering reliable performance for a variety of measurement tasks. **Q: Can I use a caliper to calibrate the gage blocks?** A: No, gage blocks are more accurate than calipers. Use the gage blocks to calibrate the caliper instead. For calibrating the gage blocks, a higher-accuracy tool like a micrometer is recommended. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good, In Spec Kit *by A***R on April 20, 2026* Everything was nice and individually wrapped. Everything is in spec, some better than others. If you have four or five wringed together, that's when you can start to expect the error to meaningfully add up. Case is fine. Happy for the price. ### ⭐⭐⭐⭐⭐ A nice addition for my hobbyist needs! *by M***T on May 1, 2026* After reading the many reviews, I decided to order this set. I can fully agree with reviews on the appearance of the blocks, the initial packing of blocks in corrosion resistant packing, and my wood case arrived in great shape as well. I don’t have the means needed to measure these down to the stated values shown on the included chart, and will just have to let that be. I’m not inclined yet to buy an expensive micrometer. Over the years I seem to have somehow accumulated several digital calipers, dial and digital indictors, and some digital height gizmos in a home shop that does mostly wood and not metal work, so go figure! Guitar tinkering is sufficient justification for this, no? Anyhow, this is a good looking set for the money and for a “nice to have” purchase, very satisfactory. ### ⭐⭐⭐⭐⭐ Perfect for simple jobs. *by A***X on October 20, 2025* These are actually pretty nice blocks. great for doing simple stuff on a knee mill. ## Frequently Bought Together - Accusize Industrial Tools Precision 81-Piece Steel Gauge Block Set, Grade B Accuracy, Corrosion-Resistant, P900-S581 - Accusize Industrial Tools - 190 Pc Precision Minus Class ZZ Pin Gauge Set, 0.061" to 0.250", 2" Length, Heat Treated, 60-62 RC, with Aluminum Case, M1(-) A - Accusize Industrial Tools 0.251''-0.500'', 250 Pc/Set Steel Plug Pin Gage Set, Minus, Class Zz, M2(-) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/77911669-precision-81-piece-steel-gauge-block-set-grade-b-accuracy](https://www.desertcart.vu/products/77911669-precision-81-piece-steel-gauge-block-set-grade-b-accuracy) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-18*