This beautifully crafted Antique Brass plated Potomax channel ring will make your beading, weaving, or wire working designs gorgeous. You will fall in love with the ring's 30mm shape and curves features a 2mm thick groove running along the outside of the ring, and 50 holes drilled through the center wall of the ring. This design allows you to run thread or wires back and forth across the holes and cover up the thread paths on the outside. You can also stack beads, crystals, or more with walls of brick stitch on the inside or outside. The opportunities for your designs are endless! Crafted by artisans in Greece for PotomacBeads -- cast from durable zamak (zinc alloy) metal, and plated with vintage brass.