Feature: 1. Made of durable hardened steel, strong and durable, has a long service life. 2. Wide range of applications and can be used to ream holes of copper pipes, aluminum pipes and other materials. 3. With packing box, with complete tools, easy to carry and store, convenient to use. 4. Tube expansion can be completed in 6 simple steps, with high efficiency and good performance. 5. Strict quality control and quality assurance, high safety factor, can be used with peace of mind. Specification: Item Type: Lever Tube Expander ToolReaming Inch Range: 3/8in, 1/2in, 5/8in, 3/4in, 7/8in, 1in, 1-1/8in Reaming Metric Range: Approx.10mm / 0.4in, 12mm / 0.5in, 16mm / 0.6in, 19mm / 0.7in, 22mm / 0.9in, 25mm / 1in, 28mm / 1.1in Pipe Cutting Machine: CT-312: Approx. 6 ~ 42mm / 0.2 ~ 1.7in Chamfering Machine: CT-208: Approx. 4 ~ 38mm / 0.2 ~ 1.5in Uses: Can be used to ream holes of copper pipes, aluminum pipes and other materials. Simple 6-Step Operation: 1. Remove burrs in the tube; 2. The expanded pipe must be a hose or an annealed pipe; 3. Pull the handle of the expander to the position of 90°, keep this position, and then rotate the expansion head of the appropriate size to the expansion needle and then tighten it; 4. Full insert the end of the tube onto the expansion head; 5. Push the lever down to the end; 6. Pull the lever back to the 90° position and remove the expanded tube.Expansion Head Size: Approx. 15cm / 5.9in6cm / 2.4in Tube Expander Size: Approx. 14cm / 5.5in41cm / 16.1in. Package List: 1 x Tube Expander7 x Expansion Head1 x CT-312 (6-42mm) Pipe Cutting Machine 1 x CT-208 (4-38mm) Chamfering Machine 1 x Packing Box1 x User Manual