HIGH QUALITY- Made from 304 Premium Stainless steel material with quality rubber cushioned. Salt resistant, anti rust, anti-corrosion, waterproof, oil-proof. Clamps are sturdy, strong and reliable. The quality rubber insulation on the clamps holds up flawlessly. It is pliable which protect the tube well and keeps the clamp securely in place. WIDELY USED- Clamps are marine grade. Perfect to apply in automotive, industrial, boat/marine, windshield, household etc. for wiring, cables, pipe, rack, line management and restoration. No matter in salt water/air environment. STYLISH DESIGN- The P-Style design makes the clamps stylish, flexible and innovative.Strong and reliable. Easy to twist, bend, manipulate when install. SIZE- Cable clamp screw hole diameter: 6.5mm, fit for 6M( 1/4 inch) screw bolt to through them. Cable clamp inside diameter 1/2 inch. Fit for 1/2 inch (outside diameter) wiring, lines,hoses or cables to a panel or frame application. ENVIRONMENTAL FRIENDLY- It c