Aluminum Convertible Nunchaku Converta-Chuck Night Stick - Tophatter's Guns'N'Weapons Store - FREE SHIPPINGThe Converta Chuck is a durable multi form weapon that transforms from a 21. 5" baton to a set of nunchucks with a twist. Okay, with a few twists. The handles parts are screwed together. These black nunchucks are made out of a lightweight aluminum, which means that your kata will be fast and powerful. The 5" chain tucks neatly into the handles when you screw them together for the baton form, and remains inside (you'll know the chain is still in there