Board size 48W x 36H, Frame size 51-1/2W x 20-1/2D x 63-1/2H. Black powder-coated frame. Rotates 360 degrees on a pivot hinge and locks into the place of your choice, providing twice the functional writing space than traditional wall mounted whiteboards. Board can be locked into place using both tightening knobs on either end. Sturdy casters help you easily transport the board from room to room to allow for continued work or room changes. Painted Steel surface resists staining and ghosting. Four 3 casters 2 locking are included to allow easy, stable mobility.