1Brass Material: Using high quality brass material, the RC caster blocks are not easy to rust or corrode, strong and durable, and are not easy to deform. 2Easy to Install and Use: Precise and great design, with screw set, the C hub carrier set is very easy to install, more convenient to use. 3Main Function: The brass caster blocks set can provide a better center of gravity, which helps improve rear traction and stability. 4Direct Replacement: With stable performance, you can directly replace the old or damaged C hub carrier to obtain higher strength. 5Applicable Models: Great accessories to upgrade your remote control car, fit for Traxxas TRX4 RC Car. Item Type: RC Brass C Hub Carrier Material: Brass Product Color: Black Product Size: Approx. 54x23mm / 2.1x0.9in Product Weight: Approx. 99g / 3.5oz Applicable Models: Fit for Traxxas TRX4 RC Car 2 x C Hub Carrier 10 x Screw 4 x Brass Pillar 1. Please allow 1& 8209;3mm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.