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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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

⚙️ Unlock your DIY potential with the ultimate gear set!

VERSATILE GEAR TYPES - Includes single, double reduction, and worm gears for complex mechanical designs.
DURABLE PLASTIC BUILD - Lightweight yet sturdy plastic ensures long-lasting performance in your projects.
COMPLETE 75 PIECE GEAR ARSENAL - Everything you need to build and innovate your DIY cars and robots.
PERFECT FOR MAKERS INNOVATORS - Ideal for hobbyists, engineers, and creators pushing the boundaries of DIY tech.
BOOST YOUR PROJECTS PRECISION - Achieve smooth, reliable motion with high-quality interlocking gears.

The AUKUYEE 75-piece plastic gear set offers a comprehensive collection of single, double reduction, and worm gears designed for DIY cars, robots, and model making. Crafted from durable plastic, this kit supports precise mechanical builds and is favored by hobbyists for its versatility and quality.

Specifications

ASIN	B06XCG24HZ
Brand Name	AUKUYEE
Customer Reviews	4.1 out of 5 stars 326 Reviews
Included Components	No
Item Type Name	toy-interlocking-gear-sets
Manufacturer	AUKUYEE
Material Type	Plastic
Model	QY12
Part Number	QY12
Warranty Description	No

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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

Description

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