UHMW Replacement Sled Cleats1 2" THICK UHMW REPLACEMENT SLED CLEATS Replace your worn out cleats on the Concrete Asphalt Tiny Tank to keep your sled working like new. The replacement set includes four 4"x 2"x 1 2" UHMW cleats as well as all weather mounting hardware. The UHMW cleats are suitable for use on concrete, asphalt, driveways, roads, garages, unfinished basements, and more. The lifespan of your cleats will depend on the roughness of the surface you are dragging your