Fits most, but not all, impulse sealing machines advertised as "12 inch" machines
Fits most machines that have "300" as part of their model number (e.g. f-300, fs-300, pfs-300)
13.4 inches / 340 mm long from end to end. Wire is 2mm wide.
Includes 2 replacement heating elements and 2 non-stick cloths.
No instructions included, but most machines require just a screwdriver for installation.