Knurled and threaded leadpipe collar is used in conjunction with your 547 bore interchangeable leadpipe to fit Bach Artisan series trombone slides. Requires soldering. Installation will require the services of a skilled band instrument repair technician.
• Standard 24 pitch SAE thread • 22.35 mm wide at knurled grip • 17.30 mm wide at threads • 9.62 mm height