THIS ITEM IS A NEW OLD STOCK 12 INCH "CORE CUT" DIAMOND CONCRETE BLADE, MADE BY "DIAMOND PRODUCTS"IT IS VERY HEAVY AND THE BLADE IS VERY THICK. ROUGHEST TOUGHEST SAW BLADE I EVER SEEN. IF YOU ARE LOOKING FOR HEAVY DUTY, THIS IS THE ONE. This item is in the category "Business & Industrial\Light Equipment & Tools\Saws\Blades". The seller is "mikehammer47" and is located in this country: US.This item can be shipped to United States.