[CORROSION RESISTANT] For extended use and increased safety, the entire body of these double stud snap hooks is made of MARINE GRADE stainless steel 316. stainless steel snap hook resist rain, dirt, snow, mud, and other corrosive elements and are strong and durable, making them ideal for diving use. [HEAVY DUTY DOUBLE END SNAP] The double end snap has a portable size: overall length 90mm (3-1/2"), width: 24mm (15/16") and Snap opening 10mm(13/32"). Don't overload for your safety, working load limit 110 lbs(50kg). [EASY TO USE] Double end design makes the bolt catch more versatile. Spring-loaded bolts provide secure closure and an easy-to-open thumb lever. The snap hook can be easily triggered with one hand, moving freely and smoothly for easy opening and closing. [WIDE APPLICATIONS] The Trigger Snap is a practical hook for ropes, chains, straps, animal leashes, harnesses, and other home, farm, and recreational uses. It can also be used for door latches, bucket hooks, hanging feed buckets, hay bags in stables and a variety of other similar situations. Great for attaching dive accessories to BCDs. [What You Get] 2Pack 316 stainless steel double ended bolt snap hook (3-1/2").