Features 1、Applicable Models: This hex coupler is suitable for Traxxas E Revo, for Slash 4WD, for Summit 1/16 RC car, please confirm the model number before use. 2、Premium Material: Made of premium aluminum alloy material, it is durable, wear resistant, high strength and more delicate in appearance. 3、Stability: This RC wheel hex hub has a good fastening function, which improves the stability of the car, ensuring stability and excellent performance. 4、Fine Workmanship: Fine workmanship, reasonable design, accurate size, with fixing pins, perfect fit, you can use with confidence. 5、Not Easy to Bend: In addition to aesthetics, aluminum alloys will not bend like plastics under pressure or high temperature environments. 6、Easy to Install: Easy to install and disassemble, you can directly replace the original plastic parts or damaged parts to get higher strength. Item Type: RC Wheel Hex Hub Adapter Material: Aluminum Alloy Gross Weight: 6g / 0.2oz Type: RC Accessories Diameter: Approx.12mm / 0.5in Thickness: Approx.4mm / 0.2in Shaft Aperture: Approx.4mm / 0.2in Applicable: for Traxxas E Revo, for Slash 4WD, for Summit 1/16 RC car Package List 4 x Hex Coupler 4 x Pins