The Cressi Mach Spear Head is a Dual Flopper Conical Point Threaded Spear Tip. The Mini is made from Corrosion Resistant Stainless Steel for a perfect blend of Durability and Performance. The Dual Flopper Setup Tucks neatly against the Tip for the Ultimate in Penetration, yet provides Superior Holding Power once it penetrates the Fish. Spear Head is designed for Medium to Large size fish. The Mach Spear Head is threaded to fit Cressi 6.5 mm Shafts on their Pneumatic and Arbalete Spear Guns. Spear Head is covered by a 12 month limited warranty.