Specification Brand : RTLR BulletPoint1 : Stable Performance: Single ended snap hook can definitely be used in seawater environments. Exquisite workmanship, beautiful appearance, reliable performance. BulletPoint2 : Wide Applications: This snap hook can work with rope, weld less chain, small diameter cable, leashes, dog's collars, purse strap rings, key chains, etc. BulletPoint3 : Spring: The built in 316 stainless steel spring has and powerful , with a life of over 100000 times. It is tightly closed and not easy to fall off. BulletPoint4 : Easy to Open and Lock: The stainless steel eye snap hooks can be opened easily by pull down the , and it is great for one hand . BulletPoint5 : 316 Stainless Steel: eye snap hooks are made of 316 marine grade stainless steel, sturdy and wear resistant, and rust resistant, and . Color : Purple ExternallyAssignedProductIdentifier : 7845207343214 ItemName : RTLR Snap Hook, Resistant Snap Hook with 3.5 Inch Single Sided Screw Heavy Duty for Marine Use () ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 3 centimeters ItemTypeKeyword : spring-snaps Manufacturer : RTLR ModelName : RTLRftcnr2hgi3-12 ModelNumber : RTLRftcnr2hgi3-12 PartNumber : RTLRftcnr2hgi3-12 ProductDescription : 1. 316 Stainless Steel: eye snap hooks are made of 316 marine grade stainless steel, sturdy and wear resistant, and rust resistant, and . 2. Spring: The built in 316 stainless steel spring has and powerful , with a life of over 100000 times. It is tightly closed and not easy to fall off. 3. Easy to Open and Lock: The stainless steel eye snap hooks can be opened easily by pull down the , and it is great for one hand . 4. Wide Applications: This snap hook can work with rope, weld less chain, small diameter cable, leashes, dog's collars, purse strap rings, key chains, etc. 5. Stable Performance: Single ended snap hook can definitely be used in seawater environments. Exquisite workmanship, beautiful appearance, reliable performance.