This Klein Screwdriver / Nut Driver is seven sizes in one tool. All sizes allow for easy, one-handed driving. The sizes are interchangeable ensuring you have the size you need when you need it. Color coded shaft ends make it easy to identify the size. Increase your productivity and lighten your load with this multi-nut driver. Phillips Bits €” Standard €”Material Steel TORX Bits €” Handle Length 5.5" (14 cm) Special Features Wrench-Assist for Added Torque Type 7-in-1 Multi-Bit Insulated No Weight 17.9 oz (508 g) Nut Driver Sizes 1/4", 5/16", 11/32", 3/8", 1/2", 7/16", 9/16" Hex Head Bits €” Number of Pieces 5 Overall Length 9.54" (24.2 cm) Square Bits €” Magnetic Yes Handle Color Black Included Handle, Assorted Color Coded Bits Application Tightening Color Code €” Shaft Length 4" (10.2 cm) Slotted Bits €” Handle Type Cushion Grip Style_Name 7-in-1 Nut Driver