Typhoon Scuba Divers Brass Trigger Snap Extra-secure snap hook design in non-rust solid brass to provide years of service Spring-loaded hooks close tighter under load - trigger catching on object won't open hooks Full-swivel eye allows 360-degree rotation; helps prevent tangling and snags Polished solid brass - great for outdoor applications; excellent quality, made in Taiwan Hook internal capacity 1/2", maximum opening 9/16", eye size 5/8", length overall 2-3/4"; 1.4 oz