phepetroll M6-50 Pack 2.3” Quick Links Chain Connectors, 1/4″ Galvanized Chain Locking Hooks, 620LBS Heavy Duty Thread Quick Link Clips, Twist Oval Keychain D Shape for Swing, Backpack, Key Ring

【Specification】You will receive 50 pcs M6 quick chain links. Total length: 2.3″, width: 1.1″, thickness: 1/4″, aximum opening width: 0.3″. Made of galvanized heat-treated steel, locking carabiners are weatherproof, rot and rust resistant. Surface is polished and burr-free to avoid hurting your hands.. 【Hexagonal Threaded】Heavy duty chain connectors are designed with hexagonal threads. Easy to attach and detach, and also securer and stabler than ordinary hook carabiner. With deep and tight threads, chain links do not wear out easily and offer high durability. High quality, won't rust when in wet conditions or fresh water.. 【Heavy Duty】Swing carabiners max load capacity are 620LBS, great for daily using, attaching to water bottles, backpacks, dog leashes, swings and more. NOTE: For your security, can't be used for mountaineering or ice climbing. Please tighten threads before using and don't exceed rated load.. 【Easy to Link】Threaded quick links enable quick connection of chains and ropes. Without other complicated tools, just lock them by turning hexagonal nut. Create permanent or temporary secure connections. Carabiner locking can be used anywhere at any time!. 【Wide Application】Twist keychain connectors are versatile accessories. Can be used for shade sails, fitness equipment, fence gates or chandeliers. D shape quick links can also be used for outdoor such as hiking, fishing, camping, rope fixing, truck tire chains.