Liner or Shader - Both, machine is set up as a Liner but we include an extra spring to change it into a Shader. Machine Type - Coil Machine Brand - Aluminator Frame Material - Aircraft Aluminum Weight - 6 oz Coil Height - 3/4" Short Coils Product Info - CNC from a single block of aircraft aluminum. This way you know your machine is made with precision & high quality. This machine is well built to handle everyday use. This hard hitting machine can even push larger size needle types.