The HandiSolutions Screwdriver Rack is made of steel, will hold 6 screwdrivers of any size, and fastens securely to HandiWall or standard 3 inch on center slatwall panels in which slots go straight in and straight up. Measures 7 1/8" wide x 3 1/4" high by 2 1/8" deep. Does not fit Crownwall, Flowwall, Proslat, Gladiator Gearwall or Rubbermaid panels.