Welcome to our store! 1、Applicable Models: This wheel hub kit is applicable for Axial SCX10, for Traxxas, for HSP, for Redcat, for Tamiya, for HPI, with reasonable design, perfect match with your car. 2、Metal Material: Made of premium iron material, with unique design, has strong functionality, high wear resistance and pressure resistance, strong and robust. 3、Strong Support: These iron wheel hubs provide strong support to your RC car, with high abrasion resistance, can withstand harsh roads and tough driving for a long time. 4、Increase Stability: The hubs reduce the car's gravitation, make them more stable, not afraid of any terrain, increase the tire's stability, improve the performance of your RC car. 5、Upgraded Parts: The original plastic parts or damaged parts can be replaced directly for higher strength, these metal wheel hubs are easy to install and disassemble, reusable. Item Type: RC car wheel hub Material: Iron Outer Diameter of Hub: Approx. 55mm/2.2in Inner Diameter of Hub: Approx. 46mm/1.8in Hub Thickness: Approx. 26mm/1in Hex Driver: Approx. 12mm/0.5in Applicable Models: For Axial SCX10, for Traxxas, for HSP, for Redcat, for Tamiya, for HPI Specification: 1.9in (applicable tire size) 4 x RC car wheel hub 16 x screws Customer Satisfaction - Customers are our top priority. If you find any problems with the product after receiving it, such as damage and incorrect quantity, please contact us immediately. We do our best to provide you with satisfactory after-sales service