Features Double-Head Design for Flexibility: Experience enhanced maneuverability with the innovative double-head design, allowing for easy with one hand for efficient tube expansion Automatic Reset Spring Mechanism: Enjoy effortl tube expansion with the built-in elastic spring that automatically resets, streamlining your work and minimizing effort Ergonomic Non-Slip Handle: Work comfortably for extended periods with the non-slip handle, designed for a secure grip that ensures precision and control during use Aluminum Alloy Construction: Benefit from the robust aluminum alloy material that guarantees strength and longevity, making this tool a reliable addition to your hand tools collection Compact and Portable Size: Easily transport and store this lightweight tool, which is designed for convenience without compromising performance, for any job site or workshop Features: 1、Double？head design and single？handed , greatly improved flexibility. 2、Reset spring design, built？in elastic spring for automatic reset, easy tube expansion. 3、Non-slip handle design, comfortable to hold, giving you a good working experience. 4、Made of aluminum alloy, which is strong and , has a long service life. 5、Small size, easy to carry and store, convenient to use and with good performance. Specification: Item Type: Tube Expander Reaming Size: 1/4in, 5/16in, 3/8in, 1/2in, 5/8in, 3/4in, 7/8in Material: Aluminum alloy Scope of Application: Copper tube, aluminum tube Weight: Approx. 365 g / 12.9 oz Handle Range: Approx. 100mm / 3.9in Package List: 1 x Tube Expander Package List 1 x Tube Expander