m8x15 screw Caster White PP nylon wheel

m8x15 screw Caster White PP nylon wheels Hello! Our factory is specialized in producing casters, caster, light PP wheels, rubber casters, Diamond casters, medium-casters, gray plastic casters, industrial casters, furniture casters, sofa ball round the earth round, medical casters, low center of gravity casters and trolleys casters, Hot Wheels, heavy-duty casters, cast iron casters so on. But also for major customers to samples and production. Caster is referred to, including the activities and fixed casters. Caster also what we call the caster, its structure allows 360 degree rotation; fixed castors not rotating structure, can not rotate. Usually are two casters are generally used with, such as trolley front of the structure two directional wheels, rear armrest is close to push two caster. Caster also what we call the caster, its structure allows 360 degree rotation; fixed castors not rotating structure, can not rotate. Usually are two casters are generally used with, such as trolley front of the structure two fixed wheels, rear armrest is close to push two caster.