Description: Quick and accurate alignment Tool body clamps squarely to rear sprocket so the alignment rod will indicate sprocket alignment to chain. This tool is used for quick and accurate alignment of the chain and sprockets. The tool body clamps to the rear sprocket, while the alignment rod points toward the front sprocket. This allows a visual sight line down the length of the chain. Specification: Model: 644936 Product Name: Chain Alignment Tool Color: Black/ Blue/ Red Material: Metal Intended Use: Modification/ Enhancement Fitment: Universal Motorcycle Package Included: 1 X Chain Alignment Tool