The Smartboard Composite Decking Screws Box contains 200 slate grey screws, perfect for fixing decking boards in various sizes. Each screw measures 63mm in length and 4.8mm in width, providing a secure and durable installation. This product from the trusted brand Smartboard is ideal for composite decking boards and garden projects, ensuring a sleek and professional finish to any patio or walkway. At time of posting three available. Comes with the clearance hole tool and no. two square drive bit. These are extra screws now not needed.