This is a New Grader Blade set, It's a Flat Double Beveled 3/4"Thick x 65 3/4"Long x 6"Wide w/7 hole's 3/4" with bolts & 2 - 12" blades. w/bolts Hole pattern on the 12" blades are 3", 6", 9" in center. and the long blade is at 3"+6"+12"+12"+12"+12"+6" in center. AS IS, No Refunds, CASH ONLY...