Add space to any workbench! Comes with or without electrical connections. Standard Riser is 10-1/2"D x 12"H with a 2" high backstop. Power riser is 15" D x 18"H with a 2" high back stop. Fits workbench sizes of 48, 60, 72, and 96 inches. Power risers are ready to use and require no electrician for set up. A removable 9-1/2 ft cord and plug is included. Available in black and gray powder coat finish.