• Note Size(Appr.): M5 heavy duty snap hook with screw locking. M5 stands for the snap hook's gauge, 5mm in thick, 50mm in outside length, 15.5mm in max insider width at the larger end. 6mm in mini insider width at the small end. 6.8mm in gate opening . Solid connections with a polished finish, no sharp edges.Lightweight but Strength, 17g/pcs
• Easy Use: Screw nut and spring snap hook design. Easy to open and close the screw down nut. Twist clockwise the thread by hand. Note the opening size ( 6.8mm clearance when max opening). They are small carabiner clips
• Max Work Load: 304 Stainless steel carabiners, the max load capacity just 100LB(50kg) . Don't exceed the max load for safety. They stay screwed tight yet unscrew easily when needed.to open and anti-clockwise to close
• Multi-purpose Application: Can link,hook,connect,repair,replacement,lock. Widely used for chains,ropes,cables and webbing
• Including: 10 pcs M5 stainless spring snap hooks