Parapost-XT Threaded Endodontic Post System One-Office-Visit Technique Introductory Kit - Titanium Alloy -<Contents. 3 Post- size #3 (.036 / 0.90Mm)- 5 Post- size #4 (.040 / 1.00Mm)- 5 Post- size #4.5 (.045/1.14Mm)- 5 Pa - #P680T ( endopost )