Specifically designed for perfect compatibility with Onduline bitumen sheets. Provides the essential fixing power and watertight seal needed for a reliable roof. Manufactured from high-quality, galvanised steel to resist rust and corrosion, ensuring long-term performance and durability in all weather conditions. Rust & Corrosion-Resistant Colour-Matched Heads with Onduline Sheets Fast & Reliable Fix for Bitumen Roofing Sheets Polypropylene Head Strong, Secure & Watertight Fixing Easy to Fix with a Hammer Manufacturerd from Carbon Steel Genuine Onduline Fixing Rust & Corrosion-Resistant Colour-Matched Heads with Onduline Sheets Fast & Reliable Fix for Bitumen Roofing Sheets Polypropylene Head Strong, Secure & Watertight Fixing Easy to Fix with a Hammer Manufacturerd from Carbon Steel Genuine Onduline Fixing