20pcs Quartz Glass Fiber Resin Post with 4 Drills Straight/Screw Thread
(Drills 4 pieces. Each size has 5 pieces, total 4 sizes, total 20 pieces with 4 drills. Quartz, Straight Thread/Straight. It is mainly for your piece of mind and comfort.). FDA for Curing Light : 510(K) Number: K192233,Regulation Number: 21 CFR 872.6070,Product Code: EBZ.