ZB6404-25 76mm stainless steel quick release snap shackle with swivel marine grade To promote long-lasting use and dependable safety, the whole body of this Jaw Swivel Snap Shackle is made of MARINE GRADE stainless steel 316. They resist rain, dirt, snow, mud and other corrosive elements, can show their value in extremely bad environment. MEASURED DATA Approx. If the size of these HEAVY DUTY Quick Release Diving Clips can't meet your purpose, you can exchange or return the goods immediately and unconditionally. INGENIOUS & PRACTICAL FEATURES Swivel bail allows for connection with dynamically moving parts, like spinnaker halyards. Jaw bail with clevis pin for when a line requires frequent removal of the shackle. Jaw bail with clevis pin for when a line requires frequent removal of the shackle. Quick release pin allows the snap bail to be released, even under tension. Depending on shackle length, the maximum working load is about 340kg (750lbs). Safe working load depends on application, and even orientation of the shackle under load.