5Pcs Twist Socket Set
- This socket set is a tool and it is specially designed for loosening a nut which can not be done by a socket or wrench
- This tool is only useful for a nut with positive threads.
- This tool can be also used while a nut could not be loosen in a normal way because of rust and deformation.
- This socket set is made of SNCM439 with HRC 50-53 hardness.
- Size : 17,19, 21, 22mm