Dragon Bo (Thin Line)Staffs. The Dragon Bo is 3/4" diameter at center and tapers to 1/2" at ends features a dragon decal. It is light weight and strong. Your choice of size from 36" to 72" long + or - 1/4". Click on Film chart for color selection information. All Bo-Staffs are made to order and considered custom. Custom weapons are non-returnable, all products are guaranteed against defects in materials and workmanship.