20Pcs Worm Gears, Bettomshin 24x2x4.3mm/0.94×0.08×0.17

Bettomshin Plastic Gear Description: 1.This is a plastic gear building your own gearbox with customized gear ratio. 2. Ideal accessories for science DIY projec or remote control, such as RC airplane ,RC helicopter,modle car and so on. Specification: Modle: Plastic Gears Number of teeth:46 Modulus: 0.5 Modulus Outer diameter: 24mm/0.94inch Hole diameter: 2mm/0.08inch Hickness: 4.3mm/0.17inch Package Content: 20pcs x Plastic Gear