8-Piece Quick Change Tool Post Set, Fits6″-12″ Lathes. Our quick change tool post set fits6 to 12 in lathes and works with various models. Itenables fast tool changes with a handle turn, precise alignmentwith a rotating screw, and long-lasting durability with cast ironconstruction. Simple to install, it is ideal for upgrading yourworkshop. This lathe quick change tool holderallows you to lock the tool securely with a simple handle twist. Itstreamlines tool changes while maintaining stability andreliability. Featuring a four-point screw system, thislathe quick change tool post set minimizes vibration-induced errorsand boosts machining precision and efficiency, deliveringunwavering support for your operations. This mini lathe quick change tool postfits 6 to 12 in swing lathes. It holds 3/16 to 1/2″ shanks forturning, oversize turning & boring, 5/8 & 3/4″ for heavy-dutyboring, 1/2″ blades for parting, and 3/4 x 3/8 x 1/4″ for knurling, meeting a wide range of machining needs.