eBoot 50 Pack Metal D Ring, 1 Inch (Silver) Usage scope: D-rings fit for making belts, harnesses and dog collars, luggage straps, and backpacks, etc. Design: 1 inch non-welded D-rings Inside width: 1 inch (25 mm); Inside height: 5/ 8 inch (16 mm); Thickness: 3/ 25 inch (3 mm) Package includes: 50 x D-rings Quality: durable and anti-rust