Description: Materials: Marine Grade 316 Stainless Steel Inside Size: approx. 30 x 22mm/ 1.2 x 0.9 inch (W x H) Thickness: approx. 4mm/ 0.16 inch Fits 30mm/ 1.2 inches wide webbing, harness and belt. Suitable for all chandlery applications, marine & industrial uses, scuba diving or snorkeling, aviaries & pets. These can also be used in making saddlery, bridles, harnesses & head collars as they will never rust or tarnish. Package Includes: 4 Pieces 316 Stainless Steel D Ring