Check the listing for details. Dental GBR Bone Tack Pins Membrane Tacks Guide Bone Tent Screws Driver Catcher. Condition: New. Listed at 16.74 USD. GBR Half Threaded Tenting Screw Dental Membrane Self-drilling Screw Titanium Alloy TC4 Tent Head Diameter: 4.5mm Whole Length=Pole+Head, Whole length has 7.1mm/8.1mm Pole's length: 6mm/7mm Screw part's length: 3.5mm/4mm Dental Half Threaded Screw Bone Fixation Available Sizes: φ1.3*8 1.3*10 Screw Part' Diameter φ1.3 Head Diameter 3.0mm Whole Length is 8mm / 10mm Pole length is 7mm / 9mm TACK Cap Diameter: 2.52mm Long: Head thickness 0.6mm Leg length 4.4mm,total 5mm Short:Head thickness 0.6mm Leg length 3.15mm,total 3.75mm For perfect fixation of membranes Biocompatible, manufactured from titanium alloy For use with all resorbable and nonresorbable membranes GBR System or Guided Bone Regeneration is a well-known procedure in dentistry and used over decades. It is used in all kinds of bone loss cases, from minimal bone loss and tooth extraction to a moderate or a complete bone loss. This GBR System Mini Kit is a small version of a variety of kits available for purchase in our store. It used for minor-moderate GBR System procedures. For example- tooth extraction, minor defects in the bone structure, Inappropriate implant placement, etc. FDA STATEMENTThe 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