50 m -for quick and easy deployment of safety sausage, safety (deco) stop anchor or as a guide for cave/wreck exploration -can be deployed with finger or any metal/wooden stick, writing slate pencil etc. -no mechanical part to fail. -the nylon string is capable of holding object maximum 80kg (176 ib) (dryweight) -comes with marine grade brass clip. -weight 194g (6.83oz) -thoroughly soak the spool in fresh water after use and wind the string tightly and neatly to esure smooth deplotment next time.