3M 1385000 Protecta PRO D-Ring Extension, 1.5 ft, Grey Abrasion resistant polyester webbing, 1.5 ft D-ring extension with snap hook at one end, D-ring at other end 1.5 ft D-ring extension Extends dorsal harness D-ring (or overhead anchor point) User friendly self locking snap hook High strength D-ring tie-off point