Will discolor. End cap do not show that much. 2mm is better for ending a cord.
Best of the two I ordered. Not plated. It was larger than anticipated. 2mm best next time for ending a corded necklace.
The antique silver finish is very gray--a little dull--but it was a smaller ID than its silver-plated counterpart which worked well in my project (used micro S-Lon in an 11/0 beaded kumihimo bracelet)
Very nice looking product will use it on friendship bracelets