260cm 350cm Slip Tip Hand Spearfishing Carbon Fiber Polespear Diving Scuba Pole Spear Harpoon Traveler
260cm 350cm Slip Tip Hand Spearfishing Carbon Fiber Polespear Diving Scuba Pole Spear Harpoon Traveler Parameters: Material: stainless steel tip ,Carbon Fibre poleWeight: 900g Whole Length: 260cm,350cm Diameter: 7mm for tip ,14mm for pole Packing list: One set/lot We have 4 options ,4 kinds of length for choose ,please choose the right length to order . We not acceptable choose wrong option to change or return . The slip Tip is made of 17-4PH stainless steel, which has magnetism due to heat treatment. This is normal. 17-4PH stainless steel has high hardness, corrosion resistance, and will not rust in seawater.Relevant information can be mentioned in Google or other relevant professional papers.It canbe testin seawater to see if there is any rusting issue. The poles are made of Carbon fiber .Advantages of Carbon Fiber Carbon fiber composite materials have higher fatigue strength, with the fatigue strength of steel and aluminum being 30-50% of the tensile strength, while carbon fiber