The Spax PZ Countersunk Self Drilling Woodscrews are a high-quality product from the trusted brand SPAX. With a screw size of 4mm x 70mm, these wood screws feature a yellow zinc finish for durability and protection against corrosion. The flat head and Phillips drive style make them easy to install, while the steel material ensures a strong and reliable fastening solution. This pack of 100 screws is perfect for DIY projects involving wood, providing a secure and efficient way to add fixtures and fittings to various surfaces.