Even more so than my comparable Praetecma (Boley & Leinen) milling attachment. Its never been used since I acquired a Praetecma shortly after. It comes with an attachable milling vise which greatly opens the attachments flexibility. Please feel free to message me with any questions, thanks!The item "NOS 8mm WW Milling Attachment for Watchmaker Lathe Boley Leinen Bergeon Levin" is in sale since Sunday, October 25, 2020. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Parts, Tools & Guides\Tools & Repair Kits". The seller is "pebaprecision" and is located in Miami, Florida. This item can be shipped worldwide.