Features:Size: This steel wing-nut driver is a perfect tool that works with any power drill. The total length of the tool is about 66mm; and the slot cutout is 6.35mm wideWide Application: This drills nut driver bit designed to tighten or loosen wing-nuts, hooks quickly and effectively when installing hurri shutters/panels or doing other projects, and saves lots of your time and get your job-done more fastEasy to Use: Just pops-it into a power screwdriver and get the wingnut / shutters installed without concern about spraining your thumbs by using other hardware tools, saves wears and tears on your fingers.Simple Tool: Quickly to tighten simply turn the wing-nut by power drill. your Impact Driver or Drill you drive just about any wingnuts-bolt or C head Eye hook screw up to 5x faster-than you can by hand.This nuts tools A must-have for Snowstorm prone areasNotice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Size: 66*6.35mm