ITEM NAME:Metal worm wheel reduction gear set plastic gear reducer kit for diy accessor BX Notice: No used, Only the appearance is not too beautiful. Material: plastic + steel Shape: worm gear Metal Hole Diameter: approx. 4mm/0.15" Plastic Gear Diameter: approx. 27.9mm/1.10" Metal Length: approx. 32.8mm/1.30" Color: as picture show Weight: approx. 20g Package Included: 1set x Reduction Gear Set (Coin is not included).Find many great new & used options and get the best deals for Metal worm wheel reduction gear set plastic gear reducer kit for diy accessor BX at the best online prices at shop2india!