A manual bending machine is used to apply manuals into ducting, typically in aluminum or aluminum steel. The manual ducting machine is typically used of aluminum, but it can also be used for extrusion forming a wide range of ducting plates (threads on the end of the ducting machine). The bending machine is typically made of aluminum metal.
Other ducting machines vary depending on their thickness. For manual bending machines vary depending on the thickness of the material, they are used to bend sheets or fabricil.