This largwe heavy machete like knife is most probably a RAWIT a possible utility knife used by the Batak people of Sumatra. Heavy and thick pamor blade Black horn handle. Wood scabbard. Blade 16 inches long 1/2 inch thick. Total 23 inches. It is shown below next to a more common 14 inches long Rawit. Very good condition. Signs of repair on the scabbard. very impressive item