Tools and supplies you need to cut and seal strapping. Tension features ratchet action that applies maximum tension instantly, pulling and cutting strapping with little effort. The unit is designed of strong construction for durability throughout daily use tools and supplies you need to cut and seal strapping. Tension features ratchet action that applies maximum tension instantly, pulling and cutting strapping with little effort. The unit is designed of strong construction for durability throughout daily use in the harshest of environments.in the harshest of environments.