Brand new 8mm shank spring collets for Watchmaker lathe. These collets is metric thread M7 x. You can select the size you need. The item "Spring Collet for 8mm Watchmaker lathe Select form 6.3 to 14mm" is in sale since Friday, October 23, 2015.This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Parts, Tools & Guides\Tools & Repair Kits". The seller is "merlintools" and is located in Shanghai. This item can be shipped worldwide.