Wall or column base mount for laser levels and grade lasers, CNC plasma cut out of 12 gauge steel, will most all laser levels and stations, welded 5/8" x 11 nut for center screw but does NOT come with the center screw, top base is 8" X 8", colors are durable powder coating, has various hole patterns for lots of different mounting options or could use small ratchet strap around column in the slots of bracket, this item can be customized