Aloris USA Brand Tool Post Set 3-BS, Series: CXA, For Swing up to: 13 - 18" Our Part # ALO-CXA-3-BS Includes (1) CXA wedge-style tool post (includes a machineable base to make a T-slot nut). Includes (1) CXA #1 Turning & Facing Holder (1/2-3/4" tool capacity). Includes (1) CXA #2 Boring Turning & Facing Holder (1/2-3/4" tool capacity). Includes (1) CXA #4D Heavy Duty Boring Bar Holder (1" dia). Includes (1) CXA Universal Parting Blade Holder (3/4" blade height- blade not included). Center bolt diameter: 3/4"-16. Aloris is the original manufacturer and is made in the USA. For use on lathes with 13-18" swing (the diameterthat can be turned over the bed) Precision-engineered to assure repetitive accuracy Quickly and easily installed on any engine lathe, bench or CNC lathe for a wide range of operationsfrom fine precision work to heavy duty cutting Slash Your Setup Time- instant changing from one operation to another