Usa check point safety loose wheel nut indicator size 17 - 41 mm vans/trucks ,
this part replaces manufacturer part numbers: these are loose wheel nut indicators that is used extensively by the transport industry as an enhancement and development of fleet safety roadworthiness procedures, daily walk-round inspection and defect reporting and scheduled maintenance requirements. its use allows accurate monitoring for loose wheel nuts and helps prevent wheel hub damage or the loss of a road wheel should a wheel nut loosen