Aluminum Chain Adjusting Tool for Ducati 1098 & 1198 and MV Agusta! This tool is a must, for any owner. Because it's aluminum, the tool is light weight, and will not damage your bike parts, but will last a lifetime! This tool is not made from a casting, but is milled out of a single piece of aluminum! The tool turns the eccentric hub which tightens the chain. Don't put yourself at risk, riding with a loose chain! This tool is brand new. A must have tool for anyone working on a 1098/S/R or 1198/S/R or an MV Agusta. 100% Made in the United States. ***A higher quality tool than the competition*** Proudly manufactured and assembled in the United States.