This wingnut driver set designed to tighten or loosen wing nuts, bolts, hooks quickly and effectively when installing hurricane shutters/panels or doing other projects, and saves lots of your time and get your job done more faster. This little wing nut driver is made from steel, highly strong and sturdy. This Steel wing nut driver is a perfect tool that works with any power drill (1/4 inch hex shank). The total length of the tool is about 6.55cm(2.6 inch); the outer diameter of the socket is about 17.8mm(0.7 inch); and the slot cutout is 4mm(0.157 inch) wide. Package includes: 2 x 1/4 Product description Description - 1/4 Hex shank: 1/4 = 6.35mm non-magnetic sleeve - Product size: 65mm long, 13mm across the hexagon hole - This wingnut driver set designed to tighten or loosen wing nuts, bolts, hooks quickly and effectively when installing hurricane shutters/panels or doing other projects, and saves lots of your time and get your job done more faster. > - Quickly to tighten simply turn