Features Tubular T45 steel ARB with double blade adjustment TIG welded Blades are heat treated/plated high quality spring steel Supplied with full fitting kit and instructions ARB body is powder coated orange Designed and tested in-house to give a specific roll stiffness range Benefits Massive range of adjustment for optimum set up Very fine adjustment increments Quickly adjusted by hand Aluminium mounting blocks for reduced friction Supplied with fitting kit Blades are adjusted by pulling on spring loaded detent pin, simultaneously rotating the blade (by hand) into another hole in a locating tab then releasing the detent pin