Feature: 1. Durable metal construction for long-lasting performance 2. Suitable for 1/10 RC cars motor with 3.175mm shaft 3. Rust-proof treatment on the surface of gears 4. Each motor pinion gear is equipped with a set screw 5. Fixed screw holes for easy and convenient to install Specification: Features: Durable metal construction for long-lasting performance Suitable for 1/10 RC cars motor with 3.175mm shaft. Rust-proof treatment on the surface of gears. Each motor pinion gear is equipped with a set screw. Fixed screw holes for easy and convenient to install. Specifications: Material: Metal Color: Shown As Pictures Suitable Shaft Diameter: 3.175mm / 0.125inch Teeth: 17T, 18T, 19T, 20T, 21T, 22T Height: Approx. 9.7 - 9.8mm / 0.4inch Tip Diameter: Approx. 17T: 10.1mm / 0.4inch 18T: 10.6mm / 0.4inch 19T: 10.6mm / 0.4inch 20T: 10.6mm / 0.4inch 21T: 12.3mm / 0.5inch 22T: 12.8mm / 0.5inch Diametral Pitch: 48DP Weight: 32g Quantity: 6 Pcs/Set Type: RC Parts & Accs Package Includes: 1 x M0.53 17T Motor Gear 1 x M0.53 18T Motor Gear 1 x M0.53 19T Motor Gear 1 x M0.53 20T Motor Gear 1 x M0.53 21T Motor Gear 1 x M0.53 22T Motor Gear 1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties. 2. duties,taxes,and charges are not included in the item price or shipping fee. 3. T he duties are buyers' responsibility .Please check with your country's customs office determine what these additional costs will be prior to your purchase. 4. All disputes arising from the duties will be submitted to ebay for solution. 1. Any questions, pls. contact us via ebay message or email us. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. post a message again because sometimes our message system may block some emails. 2. If you are satisfied with our service, pls. kindly leave us a positive feedback and give us the Detailed Seller Rating with all " 5 " in very area 3. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.