Product Model Number: RP-211R Hook Size: 37 x 81mm Total Length: 120mm Rope: Approximately 7.5m Material: Body: Glass-reinforced nylon, Hook: Stainless steel This original stringer is designed for strength and improved workability. The lock is designed to be difficult to release. The stringer uses an original rope snap system that allows for one-action attachment and detachment to the rope. Attaches to the D-rings of vests and bags. Can be attached and detached with a carabiner. The body is a reinforced resin spool. Approximately 3mm diameter rope. Spare stringer included.