Feature: 1. Manufacturing Material: Made of high quality brass material, rust proof, wear resistant, durable, stable and reliable, long service life. Fit for SCX10 90046 GN7 CC01 1/10 RC car. 2. Extended Wheelbase: It effectively lengthens the wheel base, helping to increase vehicle weight, reduce the center of gravity, and improve vehicle stability. 3. Simple Operation: Fine workmanship, reasonable design, accurate size, with fixed pin and screw, easy installation and replacement. 4. Easy to Replace: Perfect for your remote control cars, you can directly replace the original plastic parts for higher strength. 5. Fine Process: Exquisite workmanship improves the overall texture, enhances the remote control car's imitation degree, so as to achieve stable and flexible driving. Specification: Item Type: RC Model Car Brass Coupler Weight: Approx.33g / 1.2oz Material: Brass Product Diameter: Approx.12mm / 0.5in Applicability: Suitable For SCX10 90046 GN7 CC01 1/10 RC Cars. Package List: 4 x Coupler4 x Pin4 x Set Screw Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding. 2. Images may not reflect the actual color of the object due to different lighting and differences between monitors.