How to Use: 1. Place the pipe between the roller and the cutting wheel, the side wall of the pipe is tightly attached to the middle position of the two rollers, and the cut of the cutting wheel is clamped perpendicular to the pipe.
2. Then turn the adjustment handle to make the blade of the cutter cut into the pipe wall, and then evenly rotate the cutter around the pipe as a whole. 3. After one turn, turn the adjusting handle to make the cutting blade further cut into the pipe. The amount of knife should not be too much each time, just screw in 1/4 turn, and then continue to rotate the knife, and then screw the Turn until the tube is cut off. 4. The mouth of the cut pipe should be neat and smooth, suitable for expanding the pipe mouth.