17-4 stainless steel, certified, aircraft grade, condition A, center-less ground to ensure absolute straightness, rust resistence, and consistency. Manufactured in a state of the art machine shop with CNC mills, lathes, drilling centers, and straightening machines. In house, digitally controlled, heat treating oven. All machines and materials are made in the USA. All machining is done on site, under strict quality control methods, to ensure the finest spear shafts available.
 
Custom shark fin tab height and spacing configuration make these shafts ideal for use with roller spearguns. 3/32" shooting line hole drilled through the rearmost tab. 5cm long tang with euro notch for use with a varitey of aftermarket handles/trigger mechanisms. Single Hawaiian style flopper, machine pinnned, and hand tuned. Available in various lengths to ensure an ideal shaft overhang.