This is a USA Made Aloris Brand DA Lathe Tool Post that is ideal for lathes with a swing of 17″ to 48″. Tool post is 5 square and includes the T-Slot Nut & this nut may have to be machined or replaced, that compound slot is not a standard size on any lathe. Dovetail width fully up is around 3.160″ wide and from base of block to top of upper bolt is 7-5/8″. With it’s massive size and with the Aloris Dovetail Design you will get the maximum amount of rigidity for any job in your shop! 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!