The Petzl M36ATL William Triact-Lock is a high-capacity, pear-shaped carabiner designed for professional use in belaying, rappelling, and anchoring systems. Featuring the TRIACT-LOCK automatic locking system, it ensures secure closure and ease of use. Constructed from durable aluminum, this carabiner offers a major axis strength of 27 kN, minor axis strength of 8 kN, and open gate strength of 8 kN. It has a gate opening of 27 mm and weighs 0.110 kg. The M36ATL carabiner is certified to CE EN 12275, CE EN 362, EAC, and NFPA 1983 Technical Use standards, making it a reliable component for various work-at-height and rescue applications.