The Tekton 3/8, 1/2-Inch drive 6-point impact socket set includes each socket from 1/4 to 1-1/4 inch and 6 to 32 mm without skipped sizes. 6 point socket openings provide exact fit and maximum contact with hex fasteners. The sockets feature both high visibility laser size markings and permanently embossed size markings. Deep sockets feature fully graduated shoulders for tight, recessed areas. The set includes 3", 6" and 10" 3/8" Drive Impact Extensions, 3" and 10" 1/2" Drive Impact Extensions, a 3/8" Drive Impact Universal Joint and a 1/2" Drive Impact Universal Joint. The carrier bags are made of a high-density polyethylene material that can withstand common lubricants, fuels and solvents.