This is a USED Aloris Brand CA10 knurling quick-change holder that will also hold 1 toolholders for facing & turning, fits a CA Toolpost, plus is USA Made. Includes a left & right hand knurl that is 3/4″ diameter, 3/8″ wide with a 1/4 hole that will give you a diamond pattern and are replaceable. 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!