1, Easy installation without any special tool, 2, High quality/Bet price 3, anti-corrosion and ... clamp:Pressure from the cast made of corrosion-resistant aluminum alloy, the aluminum chemical stability, good resistance to atmospheric corrosion ... ,Closed bolt,Shackle:Power Standard Parts Preformed armour rods:Aluminum alloy wire, high tensile strength, hardness, good flexibility and strong anti-rust ...