Excellent Aluminum Alloy Clear Scale Compact Solid Bike Chain Checker for MTB Bike Chain Checker Chain Wear IndicatorSpecifications: Our bike chain checker can help determine whether you need to replace the chain by the chain wear stretch ratio.Since it is designed with CNC cutting and hollow, it is lightweight for comfortable grip. Featuring clear carving scale design, it is easy to read.It is made of high-quality aluminum alloy and steel material.Compact design makes it easy to store and carry.It is suitable for bike chain.Item Name: Bike Chain GaugeFeatures: High Strength, Good Toughness, Wear ResistantSize Details: Size: 13.5cm x 2.3cm x 3cm/5.32" x 0.91" x 1.18" (Approx.)Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.Package Includes: 1 x Bike Chain Gauge