Neiko 02489A Drive Universal Spline Socket Set (19 Piece), 1/2" Spline socket set works on eight different types of fasteners including: the spline, 6 point metric/SAE, 12 point metric/SAE, 30% rounded, square, e-torx, and even on rounded fasteners Universal sockets are constructed from durable chrome vanadium steel making it outstanding in strength Non slip feature on the open end makes it easy to use and can even be used on damaged fasteners Fully polished chrome finish which protects the tools from harsh working environments and corrosion Set includes: 8mm to 22mm, 24, 27, 30, and 32mm standard sockets that have engraved labeling for easy visibility and comes neatly in a convenient carrying case for easy storage