They look to be all Metric.. There are 71 Shesto in various sizes and for the Watchmaker theres some marked Recoil, Dead Beat and Ratchet.. The item "Gear Cutting Modules HSS 83 inc Shesto Milling Watchmaker Lathe Machine CNC" is in sale since Saturday, March 13, 2021. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Metalworking Supplies\Other Metalworking Supplies". The seller is "clockatwo" and is located in NSW. This item can be shipped worldwide.