PETZL William Locking Carabiners (2016) Black Large Size:Large It's so light that you Size Name:A Regular Set It's so light that you can hardly feel it putting it on your hand durable Stainless Steel construction and Stainless Steel gates with plastic SlideLocks make these S Biners ultra strong Individually weight rated Aluminium carabiner whose light weight reduces the weight of equipment the worker at height needs to carry NFPA 1983 Technical Use William SL carabiner William SLN carabiner William BL carabiner William BLY carabiner Reference M36A SL M36A SLN M36A BL M36A BLY Weight 85 grams 85 grams 90 grams 90 grams Locking system SCREW LOCK SCREW LOCK BALL LOCK BALL LOCK Major axis strength 27 kN 27 kN 27 kN 27 kN Minor axis strength 8 kN 8 kN 8 kN 8 kN Open gate strength 8 kN 8 kN 8 kN 8 kN Gate opening 28 mm 28 mm 27 mm 27 mm William TL carabiner William TLN carabiner William TLY carabiner Reference M46A TL M36A TLN M36A TLY Weight 90 grams 90 grams 90 grams Locking system TRIACT LOCK TRIACT LOCK TRIACT LOCK Major axis strength 27 kN 27 kN 27 kN Minor axis strength 8 kN 8 kN 8 kN Open gate strength 8 kN 8 kN 8 kN Gate opening 27 mm 27 mm 27 mm