[Specification] - Plastic Gears Model 092A, 9 Theeth, 0.5 Modulus, 5.5Mm Outer Diameter, 5Mm Thickness, 2Mm Hole Diameter. | [Feature] - 100% Brand New And High Quality.Good Accessories For Vehicle Or Remote Control,Provides A Convenient Choice For Your Diy Project. | [Fuction]- The Products Are For..