This heavy-duty grade strapping tensioner is a tough multipurpose tool suitable to be used with poly , polyester , woven and composite strapping. Tensioning tools have a lever that is pulled back and forth to tighten the strap, which creates a secure hold around the load. This is important to ensure the security and safety of your goods during transportation. This tensioner can be used for strapping widths from 12 to 19mm. Features and Benefits Heavy duty grade, robust design. Suitable for poly, polyester, woven and composite strapping. Provides a very high-tension strap to secure the load. Can be used for 12 to 19mm wide strapping. Easy operation.