This adapter allows you to use ER11 collets for Levin, Clement or Derbyshire 10 mm Watchmaker Lathe. Come with 8 Pcs ER11 collets 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 1/8.The item "ER11 Adapter With 8Pcs Collets Set for Clement Derbyshire 10mm Watchmaker Lathe" is in sale since Saturday, January 23, 2021. This item is in the category "Jewellery & Watches\Watches, Parts & Accessories\Parts, Tools & Guides\Tools & Repair Kits". The seller is "gavan08" and is located in Shanghai. This item can be shipped worldwide.