Insert the Pins into hole directly and it can locking bolts fast and effectively Suitable for machinery, tractors, farm equipment, engines, trucks, car, and garden equipment Fast, Safe and effective locking bolts, uniform force, not easy to slip, will not fall down, easy installation and disassembly It give fast and secure hold for bolts, and remove Make of Spring steel, rusts and resistant, Enduring and not easy to break, Manufacturer: Tsophreniq