- Performance and safety: The spiral blade increases performance by 30 percent and features an end-stop design to prevent pipe penetration, helping you work accurately without damaging the PPR pipe. - Efficient pipe enlargement: The drill bit is designed to enable efficient enlargement of PPR water pipes, allowing fast and effective repairs while preserving the structural integrity of the pipe system. - Size versatility: The set is available in multiple sizes, providing versatility for a wide range of common pipe diameters and making it suitable for various applications. - Material: High-speed steel (HSS) for durability and long tool life. Use scenarios - Home plumbing repairs: Enlarge a PPR pipe to install a branch or connector quickly and accurately, reducing downtime and maintaining system integrity. - Repair and retrofit projects: Expand bore size on PPR piping to accommodate fittings or adapters during repairs without compromising pipe strength. - Professional maintenance across sizes: Tackle tasks in residential or light commercial settings where different PPR pipe diameters are encountered, enabling efficient work with a single set.