Omega Pacific 1/2" Large D NFPA Screw-Lok
Here's what other sites are saying:
The Omega Pacific Steel Large D Screw-Lock Carabiner is obnoxiously strong, period. Towing your jet' Hauling a train full of elephants' Taking a lead fall with 10 of your closest friends following behind' With a strength-rating of 72kN, the Large D has bragging rights as one of the strongest carabiners on the planet. Whether your gear and hauling needs demand it, or you just like having your life backed up by big numbers, dangling one of these babies from your harness lets everyone know you aren't messing around.
The Omega Pacific steel locking carabiner is designed for rescue work, caving and other heavy-duty applications.
Omega Pacific Standard D 1/2'' Steel NFPA Screw-Lok Carabiner has great strength, a large gate opening and great handling. At a rated strength of 72kN, it's one of the strongest carabiners in the world! Heat-treated, half-load tested (over 8000 lbf.) and built to exacting standards, the 1/2'' Large D is one very fine steel carabiner.-- Exceeds current NFPA 1983 standards-- Meets current NFPA 1983 construction standards-- UL Classification G
Large D shape for great handling, huge gate opening and massive strength! At a rated strength of 72kN, it's one of the strongest carabiners in the world! Heat-treated, half-load tested (over 8000 lbf.) and built to exacting standards, the Large D is one very fine steel carabiner.
- Ramsey Outdoor