The UNIQCS Universal Quick Change Scraper’s interchangeable positive and negative blades make responding to changing winter weather fast and easy. Universal clamps install into existing moldboard bolt patterns without wrenches, cutting torches, and hammers, minimizing potential for injury during blade changes. The 2-ft. polyurethane blade sections slide off the clamp ends for safe and efficient replacement by one crew member using no tools. Evolution Edges. BOOTH #246