Features 1、Wider and Longer: 30mm longer and 30mm wider on each side, so that the car has stronger grip and more stable driving. 2、High Quality Material: Made of high quality aluminum alloy material, environmentally friendly, sturdy and durable, can be used for a long time. 3、Exquisite Appearance: Beautiful appearance design, excellent craftsmanship, small and portable size, providing you great using experience. 4、Widely Use: It can change the hex joint from 12mm to 17mm, so you can install the 1/8 wheel in the 1/10 wheel. It is practical and convenient. 5、Compact Size: Small size, light weight and easy to carry. It will not bring burden to the remote control vehicle and improve the overall performance of the remote control vehicle. Item Type: Wheel Extension Hex Conversion Adapter Material: Aluminium Alloy Weight: Approx. 77g / 2.7oz Adapter Height : 38mm / 1.5in Height of Widened Part: 30mm / 1.2in Applicable to: for 1/10 off road car, flat sports cars and crawler car (such as for Tamiya, for Axial, for Traxxas, for HPI, for Himoto, for HSP, for Losi, for Kyosho and other brands 1/10 RC car) Package List 4 x Wheel Extension Hex Conversion Adapter 4 x Bolt 4 x Screw Cap