12 PCS Twist Socket Set

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This twist socket set is a tool and 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 used while a nut could not be loosened because of rust and deformation. This socket set is made of AIS14340 with HRC52-55 degree handness. Use on the damaged screws & nuts.Special spiral design for easier to remove the damaged screws. Size: 3/8", Dr. 8, 10, 12, 13, mm(length: 32mm) 1/2" Dr. 14, 15, 16, 17, 19, 21 mm(length: 34mm) 2 pcs pin punched 72, 80mm Show more