General description The Laser Tools Survivor Socket 1/2''D 2856 is a universal emergency socket designed to work with a wide range of fastener profiles, making it an essential tool for any DIY enthusiast or professional mechanic. It features a special locking design that allows for the removal of nuts ranging from 9mm to 21mm, including damaged nuts and bolts of various shapes such as Ribe, Spline, Hex, Square, Triangular, or Star. Technical specifications Universal socket for fastener profiles: 9mm to 21mm Pin Size: approx. 2.9mm (Hex) External diameter: 27.8mm Pins retract approx. 10.2mm Material: Chrome vanadium Other information Not suitable for impact tools