Black Flat Wheel Nut Indicator (32-33mm)

The Black Flat Wheel Nut Indicator is a simple and effective tool for identifying potential wheel nut loosening on commercial vehicles. Also referred to as a flat indicator, flag indicator, wheel nut marker, or standard indicator, it provides a quick visual reference during vehicle checks.

Manufactured from tough, durable plastic, these indicators are used by fleets alongside Prolock and Zafety wheel nut locks to enhance wheel safety on the road.

Key Features

• Visual indication of loose wheel nuts – supports daily inspections
• Durable plastic construction – designed for harsh road conditions
• Compatible with Prolock and Zafety – integrates with existing safety solutions

Specifications

• Sizes available: 32mm, 33mm
• Melting point: 123°C