Klein Tools 87412 Deceleration Unit with Aircraft-Cable Lanyard and D-Ring Designed solely for use in fall-arrest systems Deceleration unit is attached to a vinyl coated flexible steel cable that is 7/32-inch (6 mm) in diameter and has a total diameter of 9/32 inches (7 mm) Aircraft-cable lanyards can be used around hazards such as open flame (not torches), rough-edged structural members, and welding splatter Equipped with two drop-forged steel, corrosion-resistant Klein-Lok locking snap-hooks with 11/16-inch (17 mm) throat opening Length: 5 feet (1.5 m)