Vulcan 312321OR Nutsetter, 5/16 in Drive, Hex Drive, 1-3/4 in L, 1/4 Quick Change in Shank

One single-piece, shatter-proof construction to ensure that hardware is installed properly when power driving hex-head nuts, bolts and screws. 1/4 in quick-change hex shank for use in all drills and quick-change adaptors. Made from Chromium-vanadium steel.