Hitachi 18010 O-Ring Parts Kit for NT65MA Nailer (Discontinued by manufacturer) Rings and gaskets needed to do a basic overhaul of the NT65MA All genuine Hitachi parts Includes a diagram how to install these parts in the nailer Will fix the NT65MA's air leak or slow operation Comes with a 90-day limited warranty Includes all the rings and gaskets needed to do a basic overhaul of the NT65MA This repair kit includes all genuine Hitachi parts Includes a diagram how to install these parts in the nailer Will fix the NT65MA's air leak or sluggish operation Comes with a 30-day limited warranty