Key benefits Strong locking force and improved air tightness after replacements Sealing rings included to enhance air tightness and prevent nut loosening Long handle design for easier and more efficient tightening Fully automatic tapping mechanism with finely machined internal tooth pattern, delivering burr, smooth operation What this model offers Function: Fully automatic tapping machine that provides reliable locking and tight seals during operation Compatibility: Designed to work with sealing rings and nuts to achieve air tight connections and secure fastening Performance: Burr internal tooth pattern and smooth engagement for consistent results Usability: Longhandled design for improved leverage and easier tightening Applications and use scenarios Automotive assembly and : securing sealed components where strong lock and air tightness are critical Industrial machinery installation: connecting housings and panels that require reliable seals and stable fasteners Field maintenance of pneumatic or hydraulic systems: fast, secure tapping and sealing to prevent leaks and ensure consistent performance Notes This description reflects the features and benefits as provided: strong locking force after replacements, enhanced air tightness via sealing rings, easy tightening with a long handle, and a fully automatic tapping mechanism with burr, smooth internal tooth engagement.