1The rear axle sleeve is made of high quality brass, which is of high quality, durable and long service life. 2Upgrade the brass rear exterior door shell kit to improve the authenticity and performance of the car. 3Increase the weight of the axle, reduce and concentrate the gravity of the vehicle, and increase the stability. 4High accurancy, excellent simulation appearance, stable and reliable processing, and convenient installation and disassembly. 5Easy installation, perfect match with the rear axle, good parts for upgrading and refitting your remote control car. Item Type: RC Accessories Material: Brass Color: Golden Product Length: Approx.37mm/1.5in Single Weight: Approx. 55g/1.9oz Application: Suitable for Redcat Gen8 Scout II 1/10 Remote Control Car 2 x Brass Rear Bushing(With Gear Cover)1. Due to manual measurement, please allow an error of 13mm/0.040.1in. Thanks 2. The monitor calibration is inconsistent, and the color of the item shown in the photo may be slightly different from the actual object.