Features 1、Aluminum Alloy: Made of premium aluminum alloy, Our hex wheel adapters are strong, friction resistant, wear resistant, durable and not easily damaged. 2、Increase Your Choice: Exquisite workmanship and beautiful appearance. Increase your tire selection by allowing you to mount your vehicle with a wide range of tire widths. 3、Improve Car Performance: Our hex wheel adapters incorporate hubs that reduce the gap and increase the wheelbase, thus improving vehicle stability and making the RC car less likely to twist. 4、Ideal Replacement: This part is suitable for vehicle tire modification and is a great spare part to upgrade your RC car and help improve its performance. 5、Applicable Modes: Our hex wheel adapters are suitable for a wide range of applications and can be used for Traxxas, for E Revo, for Slash4WD, for Summit, for S Revo 1/16 climbing car. Item Type: Hex Wheel Hub Adapters Material: Aluminum Alloy Weight: Approx. 6g/0.21oz Hex Adapter Size: 12mm/0.47in Thickness: 4mm/0.16in Aperture: 4mm/0.16in Applicable Modes: For Traxxas, for E Revo, for Slash4WD, for Summit, for S Revo 1/16 climbing Package List 4 x Hex Wheel Hub Adapter 4 x Axle Pin