4wd Clamp accessories like quick fist (1†to 2 ¼â€) mounts easily to keep shovels, axes, hoses and other tools or implements securely in place. 4wd Clamp parts like long arm clamp (1/2†to 4 1/2†) holds objects varying from 13 to 114mm in diameter. 4x4 Clamps are quite efficient to handle the knocks and bumps of the terrains. Almost everything can be mounted and fixed through off-road clamp parts.