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The Mr. Pen Carpenter Square is a robust 8" x 12" L-shaped framing tool made from durable carbon steel. Featuring dual imperial and metric measurements with clear white-on-black markings, it offers precise, rust-resistant performance ideal for carpentry, framing, roofing, and even delicate crafting projects. Its hefty build ensures stability and accuracy, making it a trusted essential for professionals and hobbyists alike.














| ASIN | B086R74VLK |
| Best Sellers Rank | #4,538 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3 in Carpentry Squares |
| Brand Name | Mr. Pen |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (4,166) |
| Graduation Range | 1/16 Inches |
| Item Dimensions L x W | 12"L x 8"W |
| Manufacturer | Mr. Pen |
| Material Type | Carbon Steel |
| Model | FR01 |
| Part Number | FR01 |
| Style Name | L Square,Square |
| UPC | 850008597695 |
| Unit Count | 1.0 Count |
R**.
Mr. Pen brand tools are always great and this carpenter square is surprisingly hefty
This carpenter square is for crafting projects and paper arts and I wanted something made of metal but with a nice finish so nothing could get messed up or torn during use. Many "tool-like" measuring tools are made for wood or metal and no real thought to the finish being smooth and safe for work with more delicate surfaces but this one is great. Smooth, yet hefty, accurate measurements and an excellent square will make this a go-tool tool in my papercrafting and stamping arsenal. Works well and doesn't shift around during use. Quite happy with all my Mr. Pen purchases.
G**A
Solid, accurate and easy to work with
This carpenter square is durable and very accurate. Itโs a bit heavy, but that actually makes it easier to work with since it stays steady in place. The markings are clear and the overall quality feels reliable. Great functionality, strong durability, and good value for money.
D**S
Fast delivery
Good quality, good materials and good price.
A**R
Imperial and Metric Units, Good Quality Finish
This is a framing square marked on one side in inches (graded down to 16ths of an inch) and on the other side in centimeters (graded down to millimeters). Measurement ticks are marked on both the inside and outside edges, and zero is spot-on, at the corners. The two legs are a little over 20 cm (8 inches) and a little over 30 cm (12 inches) long. The longer leg is 1.5 inches (just under 4 cm) wide, and the shorter one is 1 inch (about 2.5 cm) wide. The square is strong (steel, I believe), and (it's tough for me to measure this) at least 1 mm thick, but definitely less than 2 mm thick. There is a hole near the corner, which I presume is for hanging the square on a nail. I purchased the version with white markings and print on a black base for placement in photographs of small things, for the purpose of measuring their size. The print quality is good, and the paint seems durable.
D**L
Reply
Good quality
W**O
Good square
This square seems to be solid. I'm sure it will last a long time.
T**M
Measure twice, cut once!
Wonderful make and feel Perfect size for the weekend warrior
J**H
good quality
heavier than expected and durable
A**B
Thick metal, clearly inscribed, accurate (I checked), and good quality.
A**L
I really like this ruler...it's heavy.
A**E
Pretty good, checked it against some squares at work and it seems to be true. Good weight, just going to use it for home use and not any important measurements, ie, building, woodworking
S**O
Great
P**T
All good with this item
Trustpilot
2 months ago
3 weeks ago