TRAXXAS Caster blocks (c-hubs), 6061-T6 aluminum (green-anodized), left & right 38-6832G Description: Left and right green aluminum caster blocks improve the appearance, ruggedness, and control of your Traxxas model. The billet 6061-T6 aluminum construction adds strength and precision where you want it most. The brilliantly-anodized finish adds vibrant color to your vehicle and features a high-contrast laser etched TRX logo. Accessory part for these models: Ford Fiesta ST Rally Hoss 4X4 VXL Rustler 4X4 VXL Rustler 4X4 Slash 4X4 Ultimate Slash 4X4 VXL Slash 4X4 Stampede 4X4 Unassembled Kit Stampede 4X4 VXL Stampede 4X4 XO-1