DIMENSIONS: 1.25 inch(32mm) inner diameter; .18 inch (4.5mm) ring width. MATERIAL: Heavy-duty nickel plated steel USE: Use for strapping down camping, hunting, fishing, and traveling gear. Rigging kayaks, anchor rode, and downhauls on a sailboat. Homemade dog collars, leashes, tie-out posts, and harnesses. Ideal forslings, gym bags, organizing your exercise bands, and so much more. QUANTITY: Available in singles, 2 pieces, 5 pieces, 10 pieces, 15 pieces, 20 pieces, 25 pieces, 50 pieces, 100 pieces, 200 pieces, 250 pieces, 500 pieces, and 1000 piece packs. Paracord Planet’s steel O-rings are welded for durability. Various sizing for endless amounts of projects and repair around the house. Made from a heavy duty nickel plated steel. Ideal for your budget with bulk packaging and business pricing. Use for DIY napkin rings, towel holders, curtain panels, and plant hangers.