Petzl OK Carabiner Discontinued Product Annual refresher courses are 1 2 Easy On Off Annual refresher courses are 1 2 days long does not require a very heavy throw bag SKUs M33A TL M33A BL M33A SL M33A TLN M33A SLN Weight 75 g 75 g 70 g 75 g 70 g Locking system TRIACT LOCK BALL LOCK SCREW LOCK TRIACT LOCK SCREW LOCK Color(s) Gray Gray Gray Black Black Major axis strength 25 kN 25 kN 25 kN 25 kN 25 kN Minor axis strength 8 kN 8 kN 8 kN 8 kN 8 kN Open gate strength 7 kN 7 kN 7 kN 7 kN 7 kN Gate opening 22 mm 23 mm 22 mm 22 mm 22 mm Guarantee 3 years 3 years 3 years 3 years 3 years Inner Pack Count 1 1 1 1 1 rope clamps and mobile fall arresters