Cap-Tor xd screws are specifically designed to fasten composite and PVC decking. They are color matched with popular decking products and provide a clean and professional finish. Each package contains 100 screws and 1 T20 driver bit. Consistently sets screws to the right depth for face fastening - every time. Free spinning stop collar is fitted with a rubber O-ring to prevent damage to the work surface. Works with Phillips and Torx bits. For use with standard drills (not impact drivers)