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. Specification 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