Featrues for A333 manual buckle-free steel strapping tool: ★buckle-free connection,no need for an extra steel seal,reducing the production cost. ★The average tensile strength of the buckle-free connection is about 80% of that of a steel strap, which is very reliable and can save about 10% of the total packaging cost ★Solid seal notch way can bear high weight. ★Easy to operate,3.9kg. ★Simple and small disign parts can be replaced and maintain convenient. Technical data for A333 manual buckle-free steel strapping tool: Steel strap quality:850N/mm² Steel strap size:12.7-19mm×0.38-0.58mm Weight: 3.9kg Joint force:80%