Rokushakubō are typically around 1.82 m (72 in) long and are used in Okinawan martial arts and Japanese arts such as bōjutsu. Other staff-related weapons are the jō, which does not have a standard length, and the hanbō, which is 90 cm (35 in) long.
Text adapted from Wikipedia, CC BY-SA 4.0. Photograph: Marcin Konsek (see Commons), Wikimedia Commons.