Hydraulic Lithium Electric Aluminum Copper Tube Expander, ST-E300AL Cup-shaped Electric Tube Expander ,Portable

In the core: The use of imported CNC machine tool machining thread precision surface fine retraction freely practical and efficient Replaceable expansion head: easy to replace different sizes to meet different needs one key pressure relief can replace the expansion head Start switch: Start the power button to start the expansion tube after the completion of the automatic stop Power switch key: Tap the power length and press the light switch button to start and close Relaxation degree: mechanical limit the amount of expansion to prevent pipe cracking caused by excessive force