Versatile Application: Specifically designed for pipe expansion and drilling, this drill is suitable for a wide range of plumbing projects, making it an essential tool for various pipeline tasksEfficient Drilling Tool: Featuring and superior cutting edges, this drill ensures accurate and efficient drilling in water pipe, enhancing your workflow with ease Construction: Made from HCS high carbon steel, this drill offers durability and long-lasting performance to meet all your plumbing needsUser-Friendly Design: The hex shank design allows for easy installation and removal, providing convenience for plumbers working on different projectsComprehensive Set: The package includes six drill of varying sizes (54x20mm, 54x25mm, 49x32mm, 51x40mm, 51x50mm, 51x63mm) along with a storage pouch to keep them organized and ready for use Specification: Material: Steel Size Chart: 5.4cmx2cm/2.13inchx0.79inch5.4cmx2.5cm/2.13inchx0.98inch4.9cmx3.2cm/1.93inchx1.26inch5.1cmx4cm/2.01inchx1.57inch5.1cmx5cm/2.01inchx1.97inch5.1cmx6.3cm/2.01inchx2.48inch Package Includes: 6x Hex Shank PPR Expander Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.