Features: brand new and high quality 360-degree rotatable handle, strong portability, automatic positioning of steel balls. It is made of high-quality carbon steel with high hardness, waterproof, antirust and corrosion resistance. Self locking cylinder, self homing design, strong spring, automatic homing during each expansion, positive and negative interlocking positioning cylinder, accurate homing. Manual tube expander, with the simplest structure for tube expansion, easy to use, compact and easy to carry, suitable for maintenance site, can achieve rapid expansion. It is applicable to copper pipe and aluminum pipe. The pipe specification is 6-22mm. Specifications: Material:Carbon Steel Applicable Pipe Specification: 6-22mm Mixed Size Package Includes: 1 x Portable Steel Manual Pipe Expander note: Please allow 1-3mm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.