Check the listing for details. 120p/Box Dental Conical Screw Post Root Canal Pins Pure. Condition: New. Listed at 33.66 USD. Dental Root Canal Pins Conical Screw Post Total 1 BoxGreen Plate--Stainless Steel,Key X2+Drill X4+Post X120+Card X1Purple Plate--Titanium alloy,Key X2+Drill X4+Post X120+Card X1Blue plate--Pure Titaniu, Key X2+Post X120Used For Post Core Crown Restoration Use a reamer that will match the selected screw post. The root canal should be enlarged with the reamer and deepened to desired depth. Eccentric movement of reamer should be avoided. Using key, the post should be screwed into the root to check the length of the canal. When this is done remove the screw post. After cleaning and drying the root canal and the post, the post is dipped into cement and screwed home. A screw placed in the mesial and distal canals gives a good anchorage. Screw posts give this possibility, because of the good variation in sizes. FDA STATEMENT The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, you can bid on this item only if you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item