DESCRIPTION AND BASIC USE • MATCRETE® Split Face Granite Countertop Edge Forms^TM create realistic relief and detail for your concrete countertop edges. These forms are re-usable and ideal for making beautiful edges on countertops and tables. Because they are extremely flexible, Split Face Granite Countertop Edge Forms easily wrap around corners without mitering and can also be used on plywood or melamine to free form any shape of table or countertop.