General description Senco DuraSpin® Collated Screws are designed specifically for fastening drywall to heavy steel. This pack contains 1,000 screws, each measuring 3.5 x 25mm, making them ideal for various drywall applications. Technical specifications Size: 3.5 x 25mm Drive type: Phillips No.2 Finish: Clear zinc Thread type: Fine thread Pack size: 1,000 screws (50 screws per strip) Compatibility and accessories Suitable for both cordless and mains-operated machines Other information CE marked (EN 14592)