FEATURE WIDELY USED: The tubing benders can be used in air conditioning installation, vehicle maintenance, plumbing work, construction sites, transportation work, DIY crafts, bending thin copper, aluminum, brass and stainless steel tubes with ODs of 1/4, 5/16 and 3/8 inches (6, 8, 10 mm). EASY TO OPERATE: This pipe bender tool is easy to operate and understand, non-slip knurled long handle and high visibility marking 0-180 degrees dial can help us easily and quickly produce the effect we want. EASILY PORTABLE: This pipe tube bender is small and lightweight, can be used freely in a variety of scenes, can also be fixed on a frame or workbench to use, lightweight design is convenient for us to carry it. INSTRUCTIONS FOR USE Step 1: Lift the handle and open it fully, then place the pipe into the correct size channel, the pipe must extend the pipe latch. Step 2: Lower the handle making the “0” on the handle align with the “0” on the scale. Step 3: Slowly pull the handle around the angle plate to bend the pipe, stopping when the “0” designation on the handle lines up with the desired angle on the form. Step 4: Fully open the handle and remove the tubing. 3-IN-1 CAPACITY: suitable for thin copper, aluminum, brass and stainless steel thin tubes or soft pipes with ODs of 1/4, 5/16 and 3/8 inch (6, 8, 10 mm). 0-180 DEGREES BENDING ANGLE: you can freely bend the tube to an angle of 0-180 degrees NON-SLIP HANDLE GRIP: long knurled handle grip offers ease and comfort of use.