At the push of a button you can lock the head in any one of six positions through 90°. This allows better access to nuts or bolts sometimes in places far from ideal. The reversing mechanism gives clockwise and anticlockwise rotation. The design of the 52 tooth ratchet transfers maximum torque. The quick-release button, releases sockets instantly. The thermoplastic rubber grip is oil and acid-resistant. Double nickel-plated with matt chrome-plating.