Features Built In Return Spring: Copper pipe tube expander built in return spring, convenient and light for you to use Double Head Design: Hand refrigeration tools adopt double head design, adapt to small space operation Ergonomics Design: Handle adopt ergonomics design, comfortable for you to hold, will not feel fatigue Zinc Iron Alloy Material: Adopt excellent zinc iron alloy material, possess good performance, smooth surface, no corrosion 6‑22mm(1/4in‑7/8in) Pipe Diameter Ranges: The supported pipe diameter ranges of hand expanding tool is from 6‑22mm(1/4in‑7/8in) Specification: Item Type: Copper Pipe Tube Expander Color: Silver Material: Zinc iron alloy Pipe Diameter Range: Approx. 6-22mm(1/4in-7/8in) Handle Length: Approx. 154mm/6.06in Tube Expander Length: Approx. 155mm/6.1in Package List: 1 x Copper Pipe Tube Expander Package List 1 x Copper Pipe Tube Expander