i'm currently at a 7/16" and have some nice wooden plugs that are 1/2". i had been trying to the new plugs in and didn't have any luck with doing that for awhile so i saw the silcone plugs from kaos software and ordered the 1/2" plugs from them and popped them in 2 days ago. after about 3hrs my left ear started to hurt some (always have problems with that ear). both my ears have been hurting up unto today. i never saw any signs of blood or anything out of the ordinary. so i took them out and my left ear was bleedind pretty good and the right ear had a little blood. i've never had problems stretching with tapers so naturally so i didn't think these silcone plugs would be any problem. so now i gotta wait a long time until i try to go back to 1/2". just wanted share my experience with everyone.