The Powerbuilt 81 Piece Solutions Socket and Bit Set for Specialty and Damaged Fasteners offers sockets and bits to handle almost any fastener you come across. New, rusted, or damaged, SAE, metric, 6, 8, or 12-point, tamper-proof, if you can name it, chances are there's a tool in this set to turn it. Powerbuilt Zeon sockets patented design will grip and turn hex heads up to 85% rounded. Powerbuilt universal spline sockets drive 6 different types of fasteners, including 6,12 point hex head, square, E-Torx, damaged, and spline style. You'll appreciate the precise fit and extreme durability of premium chrome vanadium steel construction. Powerbuilt tamper-proof bits are just the ticket to drive almost every style of security fastener out there, including SAE and metric tamper-proof hex and Torx fasteners. They're constructed of hardened S2 steel for a precise fit and long life. Store all these useful tools in a heavy-duty tray for easy access and size identification.