What type of plastic are these made out of?

Typical plastic gears. Not a hard rubber. Good to have if you ever need a backup.

What size hole is in the gears? Are they all the same?

they vary from.0625 or 1/16 to .115 or 2.875mm that not any standard everything is +or- .003 there is no standard that they match,the plus or minus .003 is the test on my parts that i have

i need a double gear with 22 teeth at 14mm diameter and 12teeth at 10mm do you have please?

Hi thanks for your question. This is link of the size and specification of each gear → https://mega.nz/#F!BdpFVaZA!QzSstICCpv1_ZAt5UIaAPQ Any other question please feel free to contact us through email kuyiuss@outlook.com. We will always happy to help you out. Thank you!

ddoes this work for a goovi d380 ?

Hi, thanks for your question. This is the the size and specifications of each gear. Please have a look. https://mega.nz/#F!BdpFVaZA!QzSstICCpv1_ZAt5UIaAPQ

Plastic Gear Set 75pcs Single Double Reduction Gear Worm Gear

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⚙️ Gear up your innovation — don’t get left behind!

ALL IN ONE DIY SOLUTION - Skip the hassle—everything you need to build cars, robots, and models in one kit.
PREMIUM DURABLE PLASTIC - Lightweight yet sturdy materials engineered for smooth, reliable gear operation.
PERFECT FOR STEM ROBOTICS - Ideal for professional projects, educational labs, and next-level hobbyists.
COMPLETE 75 PIECE GEAR ARSENAL - Unlock endless DIY creativity with a full spectrum of gears and transmission parts.
DIVERSE GEAR TYPES FOR EVERY BUILD - From worm to bevel gears, this set covers all your mechanical design needs.

The AUKUYEE QY12 Plastic Gear Set offers 75 high-quality plastic gear components, including single, double, worm, bevel, and crown gears, plus belts and pulleys. Designed for DIY enthusiasts, educators, and robotics professionals, this comprehensive kit supports diverse mechanical projects with durable, precision parts.

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VT10857

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vanuatu.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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ASIN	B06XCG24HZ
Brand Name	AUKUYEE
Customer Reviews	4.1 4.1 out of 5 stars (329)
Manufacturer	Quimat
Material Type	Plastic
Model Number	QY12
Number of Items	75
Part Number	QY12

Plastic Gear Set, 75Pcs Single Double Reduction Gear Worm Gear for DIY Car Robot QY12

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