QR Code Link to This Post 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. Universal fit on most bike of chain size : 420 - 630.? Material : Body (Stainless) Fitment : Harley Davidson and Belt driver bike use Quantity : 1 Piece Measurement : Refer Photo Net Weight : 65g.