7 Pc Cushion Grip Nut Driver Set, 3 16 in, 1 4 in, 5 16 in, 11 32 in, 3 8 in, 7 16 in, 1 2 in ORS NASCO New inhalation valve with each New inhalation valve with each cartridge change Easy snap in mount eliminates mis threading and mis aligning Thicker and with the Tuff Tooth™ design for the toughest cutting applications Enhanced beam strength that reduces blade deflection and twist 8% cobalt high speed cutting edge resists higher cutting temperature An additional 30% in width of the tool steel tooth makes for stronger teeth and less tooth strippage on most difficult cutting applications twist resistant shaft anchor Tip Ident® quickly identifies nut driver hex orientation and size by color coding the handle ends so you can easily engage the nut driver with the fastener General purpose selection of the most frequently used nut drivers Full hollow shafts facilitate work on long bolt applications Cushion grip handles allow for greater torque and comfort Internal flanges provide solid