A Klingon Bat'leth. The bat'leth, or "sword of honor", is a traditional Klingon blade weapon. Resembling a crescent-shaped, two-ended scimitar, the bat'leth is wielded using three handholds along the outside edge of the blade. It is widely considered the most popular weapon among Klingon warriors. According to Klingon mythology, the first bat'leth was forged by Kahless the Unforgettable in the 9th century. Kahless cut a lock of his hair and dropped it into the lava of the Kri'stak volcano, then plunged the burning lock into the Lake of Lusor and twisted it into a blade. After forging the weapon, he used it to fight the tyrant Molor.
This screen prop was one among a number used in a variety of Star Trek movies and television episodes. It is cast resin over a metal frame. Leather straps are wrapped to form the handles.