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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Description

⚙️ Unlock your DIY potential with every turn!

ALL IN ONE GEAR ARSENAL - 75 precision plastic gears for endless DIY innovation
INSTANT PROJECT KICKSTART - Comprehensive set lets you dive into multiple projects without delay
PERFECT FOR STEM MAKERS - Ideal for labs, science education, and robotics projects
DURABLE LIGHTWEIGHT PLASTIC - High-quality material ensures smooth operation and longevity
VERSATILE TRANSMISSION OPTIONS - Includes crown, single, double, and worm gears for complex builds

The AUKUYEE Plastic Gear Set offers 75 high-quality plastic gears including crown, single, double reduction, and worm gears, designed for DIY car and robot projects. Perfect for STEM education and hobbyists, this versatile set provides durable, lightweight components to fuel creativity and complex mechanical builds.

Specifications

ASIN	B06XCG24HZ
Best Sellers Rank	#52,287 in Toys & Games ( See Top 100 in Toys & Games ) #12 in Toy Interlocking Gear Sets
Brand Name	AUKUYEE
Customer Reviews	4.1 4.1 out of 5 stars (344)
Included Components	GEARS
Manufacturer	AUKUYEE
Material Type	Plastic
Model	QY12
Number of Items	75
Part Number	QY12

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Bs.467

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In stock

Sold byAmazon BoliviaDelivered 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 Bolivia.

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TrustScore 4.5 | 7,300+ reviews

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

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