... .many colors available ; 3. apply to stainless steel ,aluminum ,etc bending machine letter SW-1550,Apply to stainless steel ,aluminum ,iron plate ... tipped saw with hard alloy ,not only for iron sheet and aluminum sheet ,but also for the stainless and aluminum extrusion ;2 ... ,increase the life of tipped saw ;4. for the bending function ,it applies flexible bending means to make the carve more smooth and ...