30Pcs Worm Gears, Bettomshin 10×2.5x5mm/0.39×0.1×0.2

Bettomshin Plastic Gear Product Information Product line name: plastic gear product type: motor parts-gear-plastic gear product model: 182.5A number of teeth: 18 oute diameter: 10 hole diameter: 2.5 thickness: 5 modulus 0.5 selling method: 20PCS thickness: 5 outer diameter: 10 hole diameter: 2.5 number of teeth: 18 product model: 182.5A Describe This is a plastic gear building your own gearbox with customized gear ratio. Ideal accessories for science DIY projec or remote control, such as RC airplane ,RC helicopter,modle car and so on.