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 42 piece drive and Torx wrench set includes: 1/4-Inch Drive: 5 Standard hex bit sockets (3/16, 7/32, 1/4, 5/16, 3/8″); 3 Torx bit sockets (T15, T20, T25); 3 External Torx sockets (E6, E7, E8); 3/8-Inch 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); 3 Slotted screwdriver bit sockets (7/32, 9/32, 3/8″); 3 Phillips screwdriver bit sockets (#1, #2, #3); 6 Torx bit sockets (T27, T30, T40, T45, T47, T50); 4 External torx sockets (E10, E12, E14, E16); Quick-Release Ratchet’ 6″ Extension Bar and 1/4″ Adapter.