Old Oak Traditional Bokken - Aiki SoriA handmade traditional bokken made from old oak. This was from a friend's shop, estimated around 100 years old. Complex grain with a knot hold filled with canvas phenolic. Medium bokken with a Traditional blade shape. For more information about our styles check out our Product Details page. A Shinbudo Bokken Bag can be added for $40 Material: Jatoba Length: 40. 75" Tsuka Length: 12. 5" Blade Style: Traditional Sori: Aiki Weight: 1lb 7oz