Fully automatic strapping with PP strap The Ampag Boxer TR is a fast, fully automatic strapping machine for strapping with 5-, 9- and 12-mm PP strap. The operation of the Ampag Boxer TR is very easy. For PP strap: 5 – 9 – 12 mm Automatic strap insertion Low maintenance (because of self-lubrication) Quick to heat (within 25 seconds) Up to 40 cycles per minute Strap end signal Heat