Multipurpose design makes it easy to keep the right tool for just about any job handy. This Ratcheting Screw/Nut Driver Set includes a generous range of precision-ground, sandblasted steel bits and precision-machined, chrome-vanadium steel sockets to ensure accuracy and long-lasting, reliable performance. Reversible driver features a three-position selector switch for clockwise and counterclockwise ratcheting as well as a center lock for standard screw and nut driver performance. Constructed for performance, comfort and durability, the in-line driver features a chrome-vanadium steel shaft, plus an ergonomic, rubberized handle grip to help prevent user fatigue. For added convenience, the set also includes revolver-style bit organizers for keeping six screwdriver bits with you, tucked neatly on the driver's shaft. 34-Piece Set. Ratcheting: Yes; Tip/Socket Type(s): Hex; Phillips; Slotted; Star; Metric Sockets; SAE Sockets; Tip/Socket Size(s): #1 Phillips; #2 Phillips; #3 Phillips; 1/8" Hex; 3/16" Hex; 3/16" Slotted; 1/4" Slotted; 9/32" Slotted; T15 Star; T20 Star; T25 Star; 1/4" Socket; 5/16" Socket; 11/32" Socket; 3/8" Socket; 7/16" Socket; 1/2" Socket; 5 mm Socket; 6 mm Socket; 7 mm Socket; 8 mm Socket; 9 mm Socket; 10 mm Socket; Tip/Socket Material: Chrome-Vanadium Steel; Steel.