Three 3/8" square drive Torx bits for fitting most GM and Ford caliper bolts. (Brake Caliper Torx Bit Set: T-40, T-45, T-50 sizes for servicing disc brakes)
Three 3/8" square drive hex bits for most GM and Ford caliper bolts. 3/8" and 8mm hex bits for GM and 1/4" for Ford.