PETZL OK Screw Lock Carabiner, Black, Screw Lock sold2026 This time tested health_beauty_UK This time tested 2 Pack included with lock indicator SCREW LOCK: the manual screw lock with red band provides a visual warning when the carabiner is unlockedAlso available in black (TRIACT LOCK and SCREW LOCK)Material(s): aluminum OK Screw Lock Gray OK Screw Lock Black OK Ball Lock Gray OK Triact Lock Gray OK Triact Lock Black OK Non Lock Green Reference M33A SL M33A SLN M33A BL M33A TL M33A TLN M33A G Weight 70 grams 70 grams 75 grams 75 grams 75 grams 65 grams Locking system SCREW LOCK SCREW LOCK BALL LOCK TRIACT LOCK TRIACT LOCK NON LOCK Major axis strength 25 kN 25 kN 25 kN 25 kN 25 kN 25 kN Minor axis strength 8 kN 8 kN 8 kN 8 kN 8 kN 8 kN Open gate strength 7 kN 7 kN 7 kN 7 kN 7 kN 7 kN Gate opening 22 mm 22 mm 22 mm 22 mm 22 mm 25 mm such as pulleys