Black oxide protects bits from corrosion. Smooth polished steel socket ends wipe clean fast. Integrated push button controls make ratchet quick to use. High tensile strength steel construction delivers serious torque. Precision cut driver heads reduce stripping. Includes 1/4" Drive (5) Standard hex bit sockets: 3/16", 7/32", 1/4", 5/16", 3/8" (3) Torx; bit sockets: T-15, T-20, T-25 (3) External Torx; sockets: E6, E7, E8 3/8" Drive (6) Standard hex bit sockets: 5/32", 3/16", 7/32", 1/4", 5/16", 3/8" (6) Metric hex bit sockets: 4, 5, 6, 7, 8, 10mm