This JBL shaft is for the Elite Metal 38 Special Spear Gun and comes equipped with a threaded point and wing so it's ready to go when you are. The threaded end gives you multiple tip options. The JBL734E is 34" (864 mm) long with a 5/16" (8 mm) diameter. Having spare parts for your gun or sling is the only way to assure you won't get skunked on a spear fishing trip. Constructed of corrosion resistant 17-4 (spring) stainless each shaft is hand-tuned for alignment then heat-treated for maximum hardness to reduce flex and provide optimum energy transfer. Spear Shaft has a 2 Sling Capacity and makes a great Save-A-Dive Kit item.