Fangrui Product Details Made Of High-quality Bearing Steel, It Is , Heat-, Wear-, Not Easy To Break, And Is Safe And Secure To Use. Specifications: 6 Pieces Of Expander: 7/8 Inch (22.2mm), 3/4 Inch (19mm), 5/8 Inch (15.9mm), 1/2 Inch (12.7mm), 3/ 8 Inch (9.5mm) , 1/4 Inch (6.3mm) The Ductility Of The Copper Is Maintained During The Molding Process To Achieve A Sealed Fitting. Fits 1/4inch Hex Shank. Work Efficiently And Make Your Daily Work More Convenient. A Complete Range Of Forging Tools Allows Air Conditioners To Be Installed, Open Copper Pipes, And Connect Two Copper Pipes To Each Other. Note:the Actual Color Is Slightly Different, Which Does Not Affect Use. Colour:wine Red Material:steel Package Contents: 6 * Copper Pipe Swaging Tool Drill Bits Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.