The 18D-1/ from Miller is a large self-closing, self-locking steel carabiner with a 2 inch gate opening. The steel is coated to resist rust and corrosion. The 18-D-1/ carabiners meet OSHA requirements, and have a gate load strength of 3,600 pounds in all directions.
Specifications: 8 5/8 in. length
Total Weight: 1.7 lbs.