Instantly relieve tension to prevent damage to the tire and prolong the life of the blade and saw. Pre-tensions blade slightly during blade change for easier adjustment. Installs in just minutes, all installation hardware provided with the unit. Allows fine tuning of blade tension through use of the screw control. Available for the General 14”, Jet 14”, Delta 14”, Rigid 14”, Grizzly 14” and Sears Contractor 14” bandsaws. Can be used with blades from 1/8” to 3/4”.