I used this chain tensioner to change the chain of the motorcycle. Easy to operate. This cheap chain tensioner worked on the first try. It took less than a few minutes to change the chain.★★★★★Jay-This puller works! Main FeaturesEasy to operateEasily connect short or broken chains to the desired length without using other tools. Constructed for a strong gripWith the gentle rotation of a small wrench. Tips: When using, hold the bottom retainer of the product by hand to help fix the chain in position. The high-quality product is a Corrosion Resistant Black Oxide finish. Forged and heat-treated steel jaws, 4.5mm thick, Provide maximum strength and service life for the chain tensioner. Easy to carryThe product is not large and can fit nicely into your tool kit without taking up space. And compared to using pliers and wire to pull the chain, this tool is the perfect partner for the chain, which can make you connect the chain easier and safer. Widely UsedChain Tensioner is not only suitable for motorcycle and bicycle chains, but also for the chains of other agricultural implements, such as harvesters. Product informationSpecificationsMaterial: Carbon SteelColor: BlackWeight: 443gPackage Contents: Chain Jointing Tools for Reller Chain*1