Bettomshin 20Pcs Plastic Gear Number of Teeth 28(Outer diameter15mm/0.59

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: Product model: 282A Material: Plastic Number of teeth:28 Modulus: 0.5 Modulus Outside Diameter: 15 mm /0.71 inch Shaft Diameter: 2mm / 0.08 inch Thickness: 4mm/0.16 inch Package Content: 20pcs x Plastic Gear