5pcs Hexagonal Handle Tube Pipe Expander Support for Air Conditioner 3/4 5/8 1/2 3/8 1/4 inch Conditioning Drill Bit Pipe Flaring Swaging ToolSpecification:Material: Bearing steelFunction: When the air conditioner is installed, expand the copper pipe to make the two copper pipes intered. (Need to be installed on a hand electric drill)Surface treatment: blackeningShank diameter: 1/4 (6.35mm) hexagonal handleSpecifications: 3/4 (19mm), 5/8 (15.9mm), 1/2 (12.7mm), 3/8 (9.5mm), 1/4 (6.3mm)Packing size: 120*80*20mmNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3cm measuring deviation due to manual measurement. 5 X Tube Expanders