The MK-303 Professional 8" saw blade by MK Diamond Products is a continuous rim blade and recommended for cutting rare and valuable lapidary materials to keep waste to minimum and when speed of cut is essential. A 20% discount will be applied from the retail price shown on the left. (Diameter of blade 8" or 203mm; rim width is .025; arbor size is 5/8-1/2; part #153693). Made in the U.S.A. FOB Torrance, CA or Powell, WY.