Heavy-Duty Plate and Slab Dolly with Foam-Filled wheels - Capacity: 500 lbs. Heavy-duty plate/slab dolly with auto-clamp feature. Unique design grips plate/slab when weight is added. Moving dolly has opening for use with maximum 4" thick plate/slab. Hand holds are great for carrying. Strap (not included) can also be hooked to hand holds. This moving dolly has steel construction with padded inside. Each dolly, cart and hand truck sold separately. Please call for availability on bulk orders of quantity 5 or more of this moving dolly.