Made from 304 premium stainless steel with rubber cushioning. Salt resistant, anti-rust, anti-corrosion, waterproof, oil-proof. Sturdy, strong and reliable. Rubber insulation holds up well, pliable to protect tubes and keep clamps secure. Marine grade, suitable for automotive, industrial, boat/marine, windshield, household use. Ideal for wiring, cables, pipes, rack, line management and restoration, applicable in salt water/air environments. P-Style design offers flexibility and innovation. Easy to twist, bend and install. Screw hole diameter: 6.5mm, fits 6M (1/4 inch) screws. Inside diameter: 1 inch, fits 1 inch (outside diameter) wiring, lines, hoses or cables for panel/frame applications. Reusable and recyclable with durable material for long-term use. Color: As shown in the picture. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-WuhanGQ shop 3