EUDAX 2mm Hole Plastic Belt Pulley Gears Combination Modulus Package Rubber Belts Band Plastic Model Accessories for DIY Robots Cars RC Toy Car Airplane Description EUDAX 2mm Hole Plastic Belt Pulley Gears Combination Modulus Package Rubber Belts Band Plastic Model Accessories for DIY Robots Cars RC Toy Car Airplane Specification: Material:Plastic Name:Belt Pulley Kit Used for Shaft Dia : 2mm/0.08" Contains most of the mainstream pulley, 51 pulley, 56 belts, a total of 107 The diameter of Pulleys:6mm/9.3mm/13mm/15.5mm/16.8mm/18mm/19.6mm/24mm/36mm. The diameter of Belts:CDD50/CDD270/20mm/25mm/35mm/40mm/45mm Useful accessories for DIY RC Model, such as RC airplane toy ,RC helicopter, toy car ,Robot and so on. Package Including: 3 X 36mm Belt Pulley 6 X 24mm Belt Pulley 6 X 19.6mm Belt Pulley 6 X 18mm Belt Pulley 6 X 16.8mm Belt Pulley 6 X 15.5mm Belt Pulley 6 X 13mm Belt Pulley 6 X 9.3mm Belt Pulley 6 X 6mm Belt Pulley 3 X CDD250 3 X CDD270 10 X 20mm Rubber Band 10 X 25mm Rubber Band 10 X 35mm Rubber Band 10 X 40mm Rubber Band 10 X 45mm Rubber Band Features: Product Name : Belt Pulley;Used for : DIY Toy Model; There are 9 kinds of pulleys, 7 kinds of belts.The diameter of Pulleys:6mm/9.3mm/13mm/15.5mm/16.8mm/18mm/19.6mm/24mm/36mm.The diameter of Belts:CDD*50/CDD2*70/20mm/25mm/35mm/40mm/45mm Materials : Plastic;for Shaft Dia : 2mm/0.08" Contains most of the mainstream pulley, 51 pulley, 56 rubber band, a total of 107 Please feel free to contact us if you have new ideas for EUDAX Product, we will provide Best After-sales service Product Details: Package Dimensions: 6 x 4 x 0.6 inches Item Weight: 1.9 ounces Manufacturer recommended age: 8 years and up Is Discontinued By Manufacturer: No Manufacturer: EUDAX