... Arc and a main frame, on the whole SW5 have the same function with SW3, but SW5 have ... tube bending tool can make up a bigger line to produce wrought iron products, gate, stairway, fence, ... stand an so on. The number 1,2,,3,4,5,6 are the six scroll bending tools which ... are the tools to bend the arc, circle, angle and so on. The number 9 is the punching tool. The number 10 is the twist tool to twist the ...