Skinner 4 Jaw 12 Lathe Chuck. I believe 2-3/4 – 8 tpi. Nice working condition as shown. 7/16 Square Wrench included as shown. Please See All Photos. If you have any questions or would like any extra photos please contact me. The items shown in the photos is the items you will receive. I go to the post office at everyday at 1.00pm Monday – Friday. If an item is bought and payed for before then item will be send it the same day. If any later it will be the next day. Thank You For Viewing. The item “MACHINIST MILL LATHE TOOL Skinner 4 Jaw 12 Lathe Chuck No. 912 A Threaded” is in sale since Friday, April 11, 2014. This item is in the category “Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Chucks”. The seller is “hanmorestoolshed” and is located in Wellington, Ohio. This item can be shipped to United States.