This is a plastic gear building your own gearbox with customized gear ratio. [Specification] - Plastic Gears Model 102A, 10 Theeth, 0., 5 Modulus, 6mm Outer diameter, 5mm Thickness, 2mm Hole Diameter. Ideal accessories for Vehicle or remote control, such as RC airplane,RC helicopter, tiny car and so on. Product Name:Plastic Gear,Type:Single Gear,Fit for:DIY Model Material : Plastic; Color : White, 0.5 Modulus Good accessories for Vehicle or remote control Provides a convenient choice for your DIY project This product is good for DIY and craft, we supply various size gears can fit different handmade stuff. Pay attention Good accessories for Vehicle or remote control,provides a convenient choice for your DIY project. Technical parameters: Brand: Othmro Product Model: 102A Number of Teeth: 10 Outer Diameter: 6mm/0., 23 Hole Diameter: 2mm/0., 08 Thickness: 5mm/0., 2 Modulus: 0., 5 Package content:30 x Plastic Gear Note: 1., Small parts. This is a plastic gear building your own gearbox with customized gear ratio. This is a plastic gear building your own gearbox with customized gear ratio. Ideal accessories for Vehicle or remote control, such as RC airplane,RC helicopter, tiny car and so on 20 Pack 10 Teeth Plastic Gears Odel 102A Reduction Gear Plastic Wor... DMiotech 30 Pack 10 Teeth Plastic Gears Model 102A... If you have any questions, please feel free to contact us! [More Choose] - Our store have the most complete specs gears shown in the following description, which can meet your DIY needs. Not for children under 3 yrs., 2., Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. [Fuction]- The products are for toys spindle gear spare parts, suitable for DIY model technology production.