Check the listing for details. Dental Bone Tent Screw Tack GBR Guide Regeneration Membrane Driver Handpiece. Condition: New. Listed at 9.21 USD. GBR Bone Tenting Screw Short: 7.1mm Medium:8.1mm Long:10mm (The diameter of Tent Cap is 4.5mm) Material:Titanium Alloy TC4 Used fo Dental Guided Bone Regeneration System ·Effectively secure membranes​​​​​​​. ·Precise and predictable results ·Biocompatible titanium alloy ·Perfectly safe for the patient ·Reduces the overall treatment time --------------------------------------------------------------------------------------- GBR Bone Tenting Screw Driver Universal Handle+Bone Screw Driver Tip Driver tip is connected to the universal handle for use --------------------------------------------------------------------------------------- Mandril for Machine Handle 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