Ingersoll Rand SK4M3LN 1/2" Deep Insulated Impact Socket Set (17mm - 21mm) - 3 Pieces

1/2" three piece metric, insulated impact socket set with sockets ranging from 17mm - 21mm.Sockets made from ‎chrome molybdenum (Cr-Mo), which has strength, as well as durability and quality.Socket sizes are laser-etched and roller-stamped on each socket, making them easily identifiable. For use with impact wrenches.Sockets are hex, which means they have six points.