Katiedids 25mm round channel-set. Silver plated, 2 holes. Each piece provides a channel-set effect for beads, flatbacks, fibers, polymer clay, resin, and more. These components are designed to let you create your own pendants and jewelry pieces with the inner channel as your framework. Simply fill the channel with the item of your choice and you have instant designer jewelry. Great for beaders of all skill levels. Inside ring measures 15mm leaving you with 5mm of beading space. Instructions included. Sold 5 pieces per pack.