(7) Die-cast eccentric discs fit into hole on horizontal member. Dowels fastened to the side wall enter the horizontal member through a side hole and fasten with a twist of the screwdriver!
Die cast discs are 15mm. diameter in two depths for 5/8" and 3/4" wood. Patented grippers on the dowel and inside the disc ensure a solid, non-slip joint. Nickel or Bronze color discs. Tighten with flat or Phillips screwdrivers or No.4 Allen wrench.