[Wide Applications]Fit for most motorcycles, bikes, ATVs, dirt bikes, scooters. [Material]Made of 6063-T5 aluminum alloy by CNC, the surface is galvanized to provide long-lasting rust resistance. [Function]Tool body clamps squarely to rear sprocket so the alignment rod will indicate sprocket alignment to chain. [Easy to Install]Clamp machined tool to rear sprocket and move rear wheel until the alignment rod lines up with the front sprocket, use on the left or right side. [Package Included]1 x Chain Alignment Tool Feature Quick and accurate alignment. Made of good quality material, durable, can use for a long time. This chain tool allows you to do the chain alignment job much easier, saves your time and energy. Specification Type: Chain Alignment Tool Color: Blue Material: 6063-T5 Aluminum Alloy Dimension: 41x30x28mm/1.61″x1.18??x1.1″ (L*W*H) Center Seam Distance: 2.6mm/0.1″ Bottom Width: 11mm/0.43″ Package Included 1 x Chain