Features:Wheel Hex Drive, easy to install and robust in use;Hard-anodized color, CNC machined PTFE-coated hardened alloy 6061-T6;Precision CNC machined hop-up parts for factory spec fitment;The lightweight aluminum alloy material is robust and improves the overall performance of the hex adapter.Compatible with: HPI Redcat SCX10 D90 Cars Axial Tamiya and so on;Material: Aluminum Alloy Dimension:Hex Adapter Diameter: 12mm/0.47inchHex Adapter Thickness: 5mm/0.24inchHex Adapter Hole: 5mm/0.24inchPackage Include:4pcs 12mm Hex Adapters4pcs Pins4pcs Screws Hex: 12mm / 0.5inch, Thickness: 5mm / 0.19inch, Hole: 5mm / 0.19inch; Compatible with: HPI Redcat Traxxas SCX10 D90 Cars Axial Tamiya and so on; Hard-anodized color, CNC machined PTFE-coated hardened alloy 6061-T6; The alloy material is lightweight and robust, and also improves the overall performance of the hex adapter for HPI Redcat SCX10 D90 Cars Axial Tamiya; If you are not 100% completely satisfied with our products, please do not hesitate to contact us! Item Weight 0.634 ounces Manufacturer YoyoHobby Item model number 12HEX55T Package Dimensions 3.19 x 2.36 x 0.24 inches Manufacturer recommended age 14 years and up