1/4 in. and 3/8 in. Drive Tamper-Resistant Star Bit Socket Set (8-Piece) by Steelman

The Steelman 8-Piece 1/4 in. and 3/8 in. Drive Star Bit Socket Set is a great addition to any tool box or socket collection. The special hollowed out center is designed for use with specialty tamper-resistant fasteners. These bits, machined from high-strength S2 steel with a polished chrome vanadium steel socket, allow you to tackle a wide range of projects. Star shaped fasteners are common in many automotive applications, and these sockets exceed ASME performance standards. Contains the following sizes: 1/4 in. drive – TT15, TT20, TT25, TT27, TT30; 3/8 in. drive – TT40, TT45, TT50.

• Tamper-resistant design includes a recess in the center of the bit for special fasteners designed with this security feature. also works on all standard 6 point star fastener designs
• Star bits are machined from high strength s2 steel to prevent twisting and deformation of the socket under high loads
• Permanent stamped size markings are easy to read and won’t fade away
• Cold forged, heat treated chrome vanadium steel socket bodies
• Sizes: 1/4 in. drive – tt15, tt20, tt25, tt27, tt30: 3/8 in. drive – tt40, tt45, tt50
• Ball detent recess on drive end helps hold the socket on ratchets, adapters, and extensions
• Exceeds ASME performance standards
• Corner recesses on drive ends ensure torque is transmitted to the flats instead of the corners, which reduces slipping and rounding