This is the JBL Shaft Options for Elite Woody Spearguns 5/16 Options Features: Stainless steel 5/16" threads Shark fin rest tabs, point, and flopper Replacement shafts for JBL Woody Elite Spearguns. Shafts feature 5/16" hardened stainless steel, 5/16" threads, shark fin rest tabs, point, and flopper. Four different sizes are available. The 33" for the Elite Woody 38 Special (6W38E), 36" for the Elite Woody 38 Special (6W38E), 44" for the Elite Woody Sawed-Off (6W44E), 56" for the Elite Woody Magnum (6W46E), and the 62" for the Elite Woody Magnum 450 (6W50E). These shafts will not work with older Elite Woody guns (4W Series)