This 48DP 3.175mm 26-30T motor pinion gear is made of high quality aluminum 7075,which is suit for 1/10 RC Car brushed/brushless motor. 5Pcs set gives you more choice and make your RC car have best performance. Include set screw,added to each pinion gear,easy to install and operate. High quality metal construction,more durable and wear-resistant. Rust-proof treatment on the surface of gear for long-lasting performance. Features: Small and light weigh,easy to install and operate. Suit for 1/10 RC brushed/brushless motor car. High quality aluminum 7075,hard anodized on the gear surface,more durable and wear-resistant. 5Pcs set gives you more choice and make your RC car have best performance. A M3 set screw (12.9 level) has been added to each pinion gear. Specifications: Brand: KingVal Teeth: 26T 27T 28T 29T 30T Height: 9mm Tip Diameter 26T: 15mm 27T: 15.5mm 28T: 16mm 29T: 16.5mm 30T: 17mm Diametral Pitch: 48DP Suitable shaft diameter: 3.175mm Material: Aluminum 7075 Package List: 1 x 26T Gear 1 x 27T Gear 1 x 28T Gear 1 x 29T Gear 1 x 30T Gear 1 x Screw set