Lisle 29150 Universal Brake Caliper Bit Set Set includes four Torx and five hex bits for removal and installation of brake caliper mounting bolts Includes the following sizes: T-40, T-45, T-47, T-50, 1/4", 3/8", 7 millimeter, 8 millimeter and 10 millimeter Handy sleeve keeps bits together in one place All bits are 3/8" square drive