This 7-Piece Nut Driver Set from Klein Tools features a wide selection of the most frequently used nut drivers with 3-Inch (76 mm) shafts. Each nut driver features Tip-Ident to quickly identify the nut driver and size. Cushion-Grip handles provide for greater torque and comfort, no slippage. Includes: 3/16 In., 1/4 In., 5/16 In., 11/32 In., 3/8 In., 7/16 In., 1/2 In., and a reusable plastic container.