Petzl M33 SL OK Oval Aluminum 10mm Screwgate manually locking Karabiner. 19mm Gate Opening. EN362 Class B & EN12275 Type B. Outside dimensions 110mm x 60mm. MBL 24kN (Major axis, gate closed), MBL 7kN (Major axis, gate open) & MBL 10kN (Minor axis, gate closed). Weight 75g. The oval symmetric pattern is ideal for the positioning of such equipment as pulleys, rope clamps & fall arresters etc. The Keylock system helps prevent snagging of the karabiner during maneuvers. The red indicator provid