Parapost Xt - P-680T - Threaded Endodontic Post System One-Office-Visit Technique Introductory Kit - Titanium AlloyCONTENTS: 25 assorted titanium alloy XT posts, 6 drills, 1 drill drive,, 2 post drivers in an organized box. Titanium Alloy Post Threaded, parallel sided post with rounded, undercut head for direct core provisional use in one appointment. Ideal for glass ionomer composite core provisional use which require Xtra retention and Xtra safety.