TEKTON 3/8 Inch Drive Locking Extension Set, 3-Piece (3, 6, 10 in.) SHA91015

Includes 3-pc. 3/8 in. drive locking extensions: 3 in., 6 in., 10 in., Easy Engage – Push sockets or accessories onto the extension drive tang to lock them on, Locking Mechanism – Pull down on the extension collar to release sockets or accessories from the locked position, Knurled Grips – Deep knurling provides grip for turning fasteners, and grooves provide grip for attaching and removing sockets and accessories, Strong 6140 and 8660 Steel – Made from 6140 chromium-vanadium steel with a 8660 nickel-chromium-molybdenum collar