This manually operated impulse machine is ideal for packing all kinds of products in a limited work space. The machine can work with all kinds of thermoplastic films(polyethylene, polypropylene and thin laminates). The sealer with letter "ABS" hand impulse sealer is made from engineering plastic. The sealer with letter "AL" hand impulse sealer is made from aluminum. The sealer with letter "iron" hand impulse sealer is made from iron. The sealer with letter "B" in model name can print letter while sealing.