Allen-Pal 15217 18 Piece Ball End Hex Key Set with 9 Key 3/8-Inch to 7/64-Inch Assortment, 9 Key 2-Millimeter to 10-Millimeter Assortment, and Hex Wrench Handle Patented Allen-Pal Hex Wrench Handle Increases Torque, Comfort and Safety Allen-Pal Handle Increases Torque 10x-20x High-Quality, Polished, Chamfered Hex Wrench Tips help guide the wrench for a smooth, easy entry into the hex screw Lifetime Limited warranty