The MK-303 Professional 14" diamond saw blade is a professional grade continuous rim blade for lapidary materials. (Diameter 14" or 356mm; rim width is .070; arbor is 1"; part #156727).  The MK-303 produces smoother cuts and is used for cutting rare and valuable materials when waste must be kept a minimum and speed of cut is essential. The Professional series diamond blades last longer and will cut faster than ordinary notched-rim or plated-diamond blades. Made in the U.S.A. by MK Diamond Products, Torrance, CA. Discount of 20% will be applied at the SHOPPING CART.