Features1APPLICABLE SCENARIO: This is a 3 in 1 chain gauge that can be used for chain damage measurement, chain hook and screw measurement, useful and practical 2FINE WORKMANSHIP: Chain wear indicator adopt accurate cutting and CNC machining, chamfering, removing burrs, reflecting exquisite workmanship 3SEGMENTED MEASUREMENT: The chain wear indicator select 10 sections of chain as the measurement sample, conduct three stage measurement, and subdivide the measurement 4MULTIPLE FUNCTIONS: The chain checker integrate the screw measuring ruler into the chain measuring ruler, which can measure the diameter and length 5ACCURATE AND RELIABLE: The chain measuring ruler tool select 304 stainless steel material, support height gauge detection, CCD viewing detection, more accurate measurementSpecificationItem Type: Chain Wear IndicatorMaterial: Stainless steelPackage List1 xChainWearIndicator