Features:andnbsp; This tube expander is made of heavy duty stainless steel, solid and sturdy, ensuring durability and longevity. Ergonomic design handle with coarse surface, comfortable to hold and anti-slip. This tool can be use to expand copper pipe with diameter between 6-22mm. Hinge design to avoid the swing of handle for stable operation. Easy to use, a simple but effective hand tool for air conditioner installation and repairing. Specification: Material: Stainless steel Color: Silver Suitable copper pipe diameter: 6/8/10/12/16/19/22mm (1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 7/8") andnbsp; Packageandnbsp;list: 1 x Tube Expander