British Royal Navy diver's knife by Siebe Heinke London with brass scabbard and hilt.  This rare British diver's knife is one of a limited production that were made by Siebe Heinke between 1962-1965.  This British Navy brass depth diver knife has a non-magnetic scabbard with a belt loop.  It is in very good condition and a rare find due to the limited quantities produced and the condition. Specifications: Total knife length (not including scabbard): 27.5 cm Blade length: 16 cm Hilt length: 11.5 cm Scabbard length: 21 cm Total length with scabbard: 31 cm