One MK Diamond Products MK-297 Criterion saw blade 10" size, part #109603, listed retail at $123.00 with a 20% DISCOUNT AT SHOPPING CART. Premium grade, notched rim blade for lapidary materials. Blade: diameter 10" (254mm), width .040, arbor 1/2-5/8". FOB Powell, WY. Made in the U.S.A.