Quality quickdraw set with hot forged, anodized (23Kn) karabiners featuring Petzl key lock system and an 17 cm Nylon express sling(22 Kn) The key lock design helps to prevent the possibility of strength reduction due to vibration opening in a fall situation and provides hassle free clipping- couple this with a gate open strength of 9.5 Kn, cross load capability of 10 Kn and modest 46g weight and you have a quick draw set that will prove to be very durable and stand up to the rigours of sustained sport climbing use.Gate opening 20 mm . Quickdraw total weight : 109g