Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si This drills nut driver bit designed to tighten or loosen wing nuts, bolts, 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 faster. Just it into a screwdriver and get the wingnut / shutters installed without concern about spraining your thumbs by using other hardware , saves wears and tears on your . Quickly to tighten simply turn the wing nut by drill. your Impact Driver or Drill you drive any wing nuts or C head Eye screw up to 5x faster than you can by hand. This nuts A must have for hurricane Snowstorm prone areas size:6.35*80mm Material:steel colour:Silver Package Contents: 2 * Wing Nut Driver Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.