The 15 space studio slant is slanted back 17.5 degrees for easy access. It comes with 2" swivel casters that are recessed underneath. All edges are rounded over 1/2" radius to give a good feel, and excellent durability. Outside the rack is 20.5" wide, and 33" tall (with casters) At the top it is 12.5" deep, and 22" deep at the bottom.