LI29150 Features: -All bits are 3/8" square drive.-Handy sleeve keeps bits together in one place.-10 Piece 3/8"" Drive Brake Caliper Socket Bit Set. Includes: -Set includes four Torx and five hex bits for removal and installation of brake caliper mounting bolts.-All bits are available individually Includes the following sizes: T-40, T-45, T-47, T-50, 1/4", 3/8", 7mm, 8mm and 10mm. It"s handy to have and easy to store. . Warranty: -Lifetime warranty does not cover abuse.