Product Description Description: Klein’s 6-Piece Color-Coded Hollow-Shaft Heavy-Duty Nut Driver Set features fully pass-through drivers for driving nuts on threaded rod and prevents bottoming out. Cold forged steel wrench assist provides greater torque, especially helpful for breaking stubborn nuts and bolts free. The handles are ASME color-coded and dome-stamped to easily identify the common hex sizes needed for the job Features: Nut Driver Set with common hex sizes: 1/4-Inch, 5/16-Inch, 3/8-Inch, 7/16-Inch, 1/2-Inch, 9/16-Inch Heavy-duty shafts and handles to withstand the torque for demanding applications Through-handle, full hollow shaft for torquing hex nuts onto threaded rod of any length Cold-forged steel wrench-assist hex shaft for heavy-duty applications Cushion-Grip™ handle for greater torque and comfort Color-coded and dome-stamped handles for easy identification of different sizes 6-Point hex to maximize driving contact area on the fastener Specifications: Application: Nut Driving on Unlimited Bolt Lengths Number of Pieces: 6 Included: 6 Nut Drivers Measurement Standard: SAE Drive Size: 1/4”, 5/16”, 3/8”, 7/16”, 1/2” , 9/16” Drive Type: Hex Special Features: ‎Wrench Assist For Greater Torque Material: Alloy Steel Insulated: No Handle Type: Cushion-Grip™ Handle Material: Poly Propylene Handle Length: 4.3” to 5” (10.9 to 12.7 cm) Shaft Length: 3.5” (8.9 cm) Overall Length: 8.5” (21.6 cm) Overall Height: 2.5” (6.4 cm) Overall Width: 3.75” (9.5 cm) Type: Nut Driver Set Weight: 27 oz (765 g) UPC: 092644654114 Enquiry Tell A Friend