Check the listing for details. Square Beading Hoop Link Geometric Linking Ring 0.4"x0.4" Silver Tone 20pcs. Condition: New. Listed at 13.70 USD. What is this?Using these rectangle hollow beading hoop links to make your own jewelry projects. Just assemble them with chain earring hooks to make all kinds of hollow frame earrings, or other personalized jewelry. It is very suitable for matching with various small accessories to make pendants, necklaces, bracelets, keychains, key chains or other accessories of different styles.What will I get?Package Content: 20pcs x Geometric Beading Hoop Ring; Length*Width: 10x10mm/0.4"x0.4" Thickness: 1mm/0.04 inchAre there any advantages of the product?These square open bezel charm frames are made of durable alloy and sturdy enough to keep the shape for a long time, delicate and small, they work great for elegant pieces. Durable, non-rusting, non-oxidizing, and non-discoloring.