... Tool-B311 tensioner&sealer, Hand Strapping Tool Specification:1,Suitable for all kinds of PET plastic strap2,Hand tighten, seal notch ... , cut, easy to operate 3,Simple structure, low failure rate 4,The most suitable for small objects in packing5,It is ... ,to achieve greater tighten force.7,the simple package for heavy goods Manual strapping Tool for 13-19mm PET packing strap hand strapping ...