Tensioner Belt Tension Gauge Adjustable tool belt replacement adjustment wheel service tool 10lb belt drive for Harley Takes the guesswork out of getting the proper tension and is very easy to use Compact design with graduated scale for easy reference Works on all belt drive models with a 10-lb. specification. Fits all belt size with width below 40mm or 1-9/16 inch. &#034;If you have to check the tension on your belt you need one of these to do it with. Takes the guess work out of it.&#034; Compact design with graduated scale for easy reference. Works on all belt drive models with a 10-lb. specification. Fits all belt size with width below 40mm or 1-9/16 inch. <span class="a-text-bold">Material</span>: Body (stainless) <span class="a-text-bold">Fitment</span>: For Harley-Davidson and other belt drive bikes use <span class="a-text-bold">Quantity</span>: 1 piece <span class="a-text-bold">Net Weight</span>: 65g.