Peachtree 607 Pipe Clamp Rack With 10 Clamp Slots Extra heavy gauge solid steel rack with zinc plating -.CLAMPS NOT INCLUDED 23" x 4" x 4-1/4" deep Pre drilled at 16" center Hold ten 1/2" or 3/4" pipe clamps Use 1/4" lag screw fasteners with minimum engagement of 2" -Not Included