Sygma socket adapter extension insert bits feature spring loaded ball bearings and tapered ends on the square shank for extra grip with square nuts and sockets. Each versatile socket adapter extension bits can transform your socket wrench into an impact driver power tool. Most importantly, each bit is constructed of heat-treated heavy duty S2 tool steel. The 1/4″ quick change hex shank is a common size for many power drills and hand tools.
These socket adapter extension insert bits are ideal for driving lug nuts.