Hex Shank Slot Wing Nuts Drill Bit Socket Wrenches Tools Drills Bits Slotted hexagonal handle 65mm long electric screwdriver This wing nut driver is made from CR-V steel and can be used with any electric drill or electric screwdriver (1/4 inch hex shank). Product material: CR-V (chrome vanadium steel) Product weight: 42g*1. Product size: 65mm long, the opposite side of the inner hexagon hole is 13mm. Designed to tighten or loosen wing nuts, bolts, hooks quickly and effectively when installing hurricane shutters/panels or doing other projects. Just put it into a power screwdriver and use it, which can protect your hands from damage caused by using other tools, 5 x faster than hand to screw. Note: Wing Nut Drill Bit must have for hurricane snowstorm prone areas; The tool obviously handled exceedingly high rpms, but for safety and control, one should keep rpms low. pack*4pcs.