The Monument 131W Socket Forming Tool is designed specifically for 15mm copper pipe applications, making it perfect for smaller domestic plumbing installations such as basin feeds, radiator connections, and central heating systems. This 15mm size is one of the most commonly used pipe diameters in UK residential plumbing, making this tool an essential addition to any plumber's kit. The tool creates professional socket joints without the need for separate copper fittings, allowing you to join two pieces of 15mm copper pipe of equal diameter together efficiently. The loose former design ensures easier withdrawal after forming the socket, preventing damage to the newly created joint. Features and Benefits:15mm size ideal for standard domestic plumbing applicationsLoose former allows smooth tool withdrawal without socket distortionCreates capillary joints suitable for soft or hard solderingEliminates the need for separate copper fittings, saving time and moneyRobust construct