... luggage, tarpaulins, tents, book bindings, etc. This machine is equipped with unison feed mechanism and semi-rotary ... sheath, purses, etc.With powerful unison feed, the machine can sew accurately and easily several sheets of heavy ... for stitching the extra heavy-weight materials.The machine is provided with a free space measuring 420mm ... -Bed, Unison-Feed, Extra Heavy Duty, Lockstitch Sewing Machine