This (Precision 1A) mandrel system is used for the following kits: - Slim Pen/Pencil - Streamlined Slim Pen - 7mm Euro - Streamlined Round Top 7mm Pen - Carbara Pen - Cigar Pen/Pencil - Sierra - Sierra Button Click Pen - Any bushing indicated with an "A"
Notes: - The shafts ("A" and "B") are interchangeable with any of the Morse Tapers. - See the Bushings and Mandrels FAQ for more general information.