DescriptionThis item is manufactured with premium material for durable and long lasting use. It is useful tool for measuring the chain wearing degree, convenient for you to make a replacement. No need to worry about the operation, it is easy to use. It is useful tool for bike chain measurement.Features- Color: Silver. - Material: Steel. - Size: 14.00X4.80X0.20cm/5.50X1.89X0.08in. - Made of material, the bike chain ruler is durable and long lasting use. - Useful tool for measuring the chain wearing degree, convenient for you to make a replacement. - Compatible with all chains, it's very convenient. - Light weight and portable, easy to use and operate. - A worn chain shifts poorly and wears sprockets at an accelerated rate.