NECA Star Trek Klingon Bat’leth Prop Replica November 15, 2015November 17, 2015Dede Gonza Klingon Bat’leth NECA introduces Star Trek prop replica of Klingon Bat’leth. It’s modeled from an actual prop used on the screen in Star Trek: The Next Generation. This Klingon Bat’leth is made of foam and measured at 4-feet long. It’s retailed for $42.99.