Description: Material: Copper Pipe Swaging Tool Bit made of igh carbon steel materials durable and easy to use your good assistant for work and life. Application: Perfect for installers. Good performance and long life full range of forging tools makes it easier to extend pipes. Function: Preserving the ductility of copper/aluminum during die forging to avoid cracks and leakage. Accurate: The flares will always have the same size and will fit perfectly. 5Pcs Set: 5pcs/set with 5 different sizes for your choice to meet your needs. Specification: Material: High carbon steel Color: Black Size: 3/4inch 5/8inch 1/2inch 3/8inch 1/4inch(mm/inch) Size Full length Working length Shank diameter 3/4 63/2.48 27/1.06 1/4 5/8 61/2.4 25/0.98 1/4 1/2 56/2.2 20/0.79 1/4 3/8 53/2.09 16/0.63 1/4 1/4 50/1.97 14/0.55 1/4 Quantity: 5pcs/set Package includes: 5pcs x Tube Expander