Specification Brand : flexman BulletPoint1 : Stainless Steel: Made of marine grade 316 stainless steel, the double ended spring hook is rust resistant and highly durability, making it suitable for use in seawater environments. BulletPoint2 : Versatile Usage: Designed for yacht diving, the hook can be used with ropes, chains, straps, and other household, farm, and recreational applications. It can be clipped onto any standard D shaped ring. BulletPoint3 : Practical Design: The double ended design makes the bolt snap more versatile. The spring bolt provides secure closure and easy opening with a thumb lever. BulletPoint4 : Unique B Shape: The B type design ensures that the object is firmly fixed and not easy to fall off. This design is safer and more reliable, and is suitable for use in high risk environments such as ships. BulletPoint5 : Detail Reminder: The working load limit is 4‑80kg, and please do not overload. Note that this hook is not suitable for mountaineering, rock climbing, ice climbing, and high altitude games. Color : Silver ExternallyAssignedProductIdentifier1 : 0747216266638 ExternallyAssignedProductIdentifier2 : 747216266638 ItemName : FLEXMAN 4Pcs Double Ended Bolt Snap Hooks, Marine Grade 316 Stainless Steel B Shape Chain Clip, Trigger Chain Clips for Ropes Chains Straps Dog Leash Horse Tack (115mm) ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 12 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : slide-bolt-snaps Manufacturer : flexman Material : Zinc ModelNumber : flexmang7okp3sdh4-12 NumberOfItems : 1 PartNumber : flexmang7okp3sdh4-12 ProductDescription : Item Type: Double Ended Bolt Snap Hooks Material: 316 Stainless Steel