This is a replica of an oar shape Bokken which Musashi used for his most famous and his last duel at the Ganryu Island against Sasaki Kojiro Ganryu. Not just great for display but recommended for Suburi Bokken if you want to strengthen your forearm like Musashi. 100% Selected Japanese Red Oak, available in 4.2 shaku(127.3 cm) only. Made in Japan