Both carabiners are attached with an 18mm Express sling. The Straitjacket system on this sling holds the bottom carabiner in position.The Hotforge Hybrid Quickdraw is perfect if you\'re looking for a versatile quickdraw that can be clipped onto the loops on the side of your rucksack.New HotForge on top / redesigned HotWire wiregate on the bottomColoured bottom HotWire carabiner Snag-free keylock - no interference when using it 18 mm Polyester Dogbone - durable and easy to grabStraitjacket keeps the rope \'biner in the correct positionWeight : [Pack of 6] 594 g (20.95 oz)Closed Gate Strength : 24 kN (5,395 lbf)Open Gate Strength : 8 kN (1,798 lbf)Minor Axis Strength : 8 kN (1,798 lbf)Gate Opening : [Top] 22 mm (0.86 in) / [Bottom] 27 mm (1.06 in)