High Heat Loose Wheel Nut Indicator, 33mm, ORANGE | QTY 72High Heat Loose Wheel Nut Indicator, 33mm, Orange QTY 72 Price For: 72 Pack Bolt Hole Spacing: 33mm Item: Loose Wheel Nut Indicator Material: PLASTIC Used For: 33mm Hex Nut Fitting An instant visual indicator of wheel nut movement Indicates possible faults with breaks or bearings through melting Melts at a specific temperature of 125C 257F Supports fleet safety checks Cost effective and easy to implement Stay on top of wheel safety with the High Heat