Welcome to our store! Suitable for gearboxes, motors, pulleys, and more. Perfect for DIY toy accessories. Made of high-quality ABS plastic, not easy to deform. Safe and non-toxic, use with confidence. Complete specifications to satisfy your various needs. Material: ABS plastic Spindle spur gears (10 types): 80.8A 81A 81.5A 82A 92A 102A 122A 132A 142A 182A Crown gears (11 types): C152A C203A C282A C282.5A C303A C322A C20082A C28082B C28102.5B C30102B C40102B Single-layer gears (12 types): 202A 242A 242A 302A 303A 302.5A 322A 362A 402A 422A 482A 562A Double-layer gears (19 types): 16102B 18102A 20082B 20102B 22082A 22102B 24102B 24122B 26082B 28102B 30162A 32082B 34082A 34082B 36102B 42102B 48102B 50102A Pulleys (8 types): 122B 102B 62A 92A 132A 16.82A 242AB Worms (2 types): W6x62A W6x82A 3-way shaft sleeve (1 type): 3T-2A-2B Bevel gear (1 type): S162A 10 x Spindle Gears 11 x Crown Gears 12 x Single-Layer Gears 19 x Double-Layer Gears 8 x Pulleys 2 x Worms 1 x 3-Way Shaft Sleeve 1 x Bevel Gear Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!