This is a Dorian Tool Brand DA1 quick-change lathe turning & facing toolholder that is ideal for general purpose turning operations with a tool capacity of 1/2″ to 1-1/4″. Specifically for square toolholders, it fits a Dorian or Aloris DA Toolpost and is USA Made. With its 6 holding length and the dovetail design you will get the maximum amount of rigidity for any job! You can identify this DA-1 holder by the 2-3/4″ width on the small portion of the dovetail & 3.20″ width on the large portion. Ever in the Toledo Ohio area? E b a y Stores And check out our website with over 300,000 items in stock! It is fully interactive and will show you current pricing and stock availability on thousands of items! Or register today & open an account to place orders, print statements, expedite orders and more! Also listed will be our toll free telephone and fax numbers for your convenience. Get your copy of our 450 page T&S Catalog, with listings of popular items from all the companies we represent. Direct Links to all our vendors which include some of the top names in the industry; Kennedy, OSG, Guhring, Clausing, Jet, Precision Twist-Dormer, Wilton, Norton, Starrett, Allied, Mitutoyo, YG-1 Keo, Brown & Sharpe and Jacobs, just to name a few! WE SPECIALIZE IN CUTTING TOOLS! Hundreds of decimal reamers, including over and under size metric reamers from 1mm to 20mm….. Hundreds of special taps from #000 to 4, endmills, toolholders, abrasives, fasteners, machinery and much more. Give us a call!