Features:
Drop forged, chrome vanadium steel construction
Universal spline sockets are designed to work on 6 point, hex, 12 point, spline, star, square, and removal of partially rounded 6 point hex fasteners
Perfect for removing stripped, rounded, rusted, and even damaged nuts and bolts
Sizes: 6mm (1/4"), 8mm (5/16"), 10mm (3/8"), 11mm (7/16"), 12mm (15/32"), 13mm (1/2"), 14mm (9/16"), 16mm (5/8"), 17mm (11/16"), 19mm (3/4")