JBL American Made African Mahogany Or Aluminum Spear Gun Maximum quality control and craftsmanship, ergonomically designed 45 degree polymer handle Legendary three-piece M8 trigger mechanism, laser cut stainless steel trigger Hardened 17-4 spring stainless steel shaft, 39" x 5/16" (991 mm x 8 mm) shafts, corrosion resistant Shaft: hand-tuned for alignment, heat-treated for maximum hardness, reduce-flex and provide optimum energy transfer Dual Nitro 9/16" x 20" slings, latex Sling with spectra cord wishbones, JBL rotating rock point