Product specification:
product namehex anti-theft locking nut with 2 ballssize M16~M24materialcarbon steelfeaturehigh quality material, long reinforcement& anti-corrosion timeapplicationOutdoor public facilities against bolt loosening and sabotage
pls noted: other size can be customed.
anti-theft nut benefical:
it not only can help you to solve this headache problem,but also help you save the expensive maintenace charge.
For more details information or loosening problems.just contact me as follow, our professional team can help u.