Screw Fit Tunnel Plugs = 12G (2mm), 8G (3.2mm), 6G (4mm), 4G(5mm), 2G (6mm), 0G (8mm), 00G (10mm) - 2 qty of each size. Stretching your ears can be expensive but with these stretching kits you get a great deal because you get the tapers for each size as well as good quality ear plugs for each ear!
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