Twin plate grain dressing last twice as long dresses twice as fast.Plates 10mm x 20mm Mounted on the each side of the blade.6.3mm x 22mm x 19mm blade is set at 0 degree angle in to 7/16” diameter x 1” with four flats shank.Wheel grit size suggest:Part Code, Wheel grit size BT-259. 50-60 BT-411. 80-100
