Material: Made of high carbon steel, durable and easy to use, a reliable assistant for work and life. Application: Ideal for installers. Offers excellent performance and a full range of flaring tools to facilitate pipe expansion. Function: Maintains the ductility of copper and aluminum during flaring to help prevent cracks and leaks. Result: Flares are consistent in size and provide a perfect fit. Set: 5-piece set with 5 different sizes to meet various needs. Sizes: 3/4 inch, 5/8 inch, 1/2 inch, 3/8 inch, 1/4 inch Dimensions (Full Length x Working Length x Diameter): 3/4": 63mm / 2.48", 27mm / 1.06", 1/4" 5/8": 61mm / 2.4", 25mm / 0.98", 1/4" 1/2": 56mm / 2.2", 20mm / 0.79", 1/4" 3/8": 53mm / 2.09", 16mm / 0.63", 1/4" 1/4": 50mm / 1.97", 14mm / 0.55", 1/4" Color: Black Material: Steel Package Contents: 5 x Flaring Tool Bits for Copper Pipe Note: Light reflection and different display settings may cause slight color variations compared to the actual product. Measurement may vary by +/- 1-3 cm.