Burlingham Sports Mounting Blocks This rugged mounting block is lightweight, strong and affordable and is constructed of lightweight UV stabilized polyethylene and is easy to carry from place to place. Great to use for grooming or any barn or household chore. The substantial base provides additional strength. The 3-Step Mounting Block features a roomy 12" deep storage compartment under the hinged top tread. It's the perfect place to stash a brush, rag or boot polish for a last minute clean-up. The compartment may be locked with a simple padlock for added security. (2-Step does not have storage compartment.) Size : 2 Step - 19 3/8" L x 15 1/2" W x 15 1/2" H 3 Step - 25" L x 15 5/8" W x 22" H Item ships directly from the manufacturer.