CONCAVE Taper Full Kit (18 gauge - 10 gauge)You are viewing a stretching kit of 8 CONCAVE TAPERS which include 18 gauge (1. 0 mm), 16 gauge (1. 2 mm), 14 gauge (1. 6mm), 12 gauge (2mm), and 10 gauge (2. 5mm). These tapers are made of high quality 316L stainless steel and are concaved (hollow on the end). Since they are concaved you can insert your jewelry right into the end of the taper for a really easy transfer of the jewelry into your piercing. The end of the tapers are slightly larger than