Caster blocks 25-degree titanium-anodized 6061-T6 aluminium (left & right)Traxxas aluminum caster blocks for Jato add both strength and beauty. They are machined from tough 6061 T6 aluminum for superior durability, and then finished in brilliant titanium anodizing for a serious, high tech performance look. The neutral titanium anodizing color will match well with other colors and aftermarket components on the model. They are available in 25 degree or 30 degree pairs. The 30 degree caster blocks are replacements for the