The National Brass Mako Machine head comes assembled but without tube, grip or needle bar. The Mako machine has a brass milled frame with a slot for adjusting the position of the binding post. It has the Swing-Gate style tube holding device for easy changing of tubes and needle bars. "NATIONAL" is engraved on the side of the frame. This is another one of National's real solid, heavy-duty machines. Approximate weight, without tube: 6 wrap=8.5 oz. 8 wrap=9.25 oz. *PLEASE NOTE: IF YOU CHOOSE TO HAVE YOUR MACHINE ASSEMBLED WITH A TUBE YOU MUST ALSO CHOOSE A GRIP AND NEEDLE BAR.