Shop Tuff STF-1212MDW Mover's Dolly, 12" x 12" Move heavy loads easily with Shop Tuff's 12" x 12" Movers Dolly Has four 3" propylene swivel casters to make moving a breeze Measures 12 x 12x 4. 75 Inch; holds up to 600 pounds! The durable hard-wood frame ensures that this dolly will get the job done 1 year limited Manufacturer's parts warranty