Hypoallergenic Earring Ear Posts, Titanium, 40 pcs/20 posts, 20 backs Pure Titanium Post, Flat Pad Grade 1 Titanium, ASTM F67, Made in U.S.A. Pad size: 6 mm, gauge size 21 20 pcs. Posts with pads PLUS 20 pcs. surgical steel butterfly nut ear clutches