This tensioner is designed for flat packages and objects. The supply wheel voltage system allows a free supply of the strip without loss of tension. The long tension lever ensures a high and effortless tension of the strip. This manual welder is extremely safe, unique and durable, of unparalleled quality. An integrated safety screen guarantees perfect double-notch welding every time. The special welding handle ensures accident-free use, while the rubber roller on the lower handle keeps the handle in the correct position. Official Distribution Certificate