Some say urethane is a rougher, tougher, safer way to protect yourself from buttons made of nickel. U-40 Perma Gloss is a urethane rod finish, meaning it was built to protect your fishing rod from the elements. This stuff is super strong and long lasting. Build a barrier between you and your buttons or jewelry made of nickel. Brush on a few coats of U-40 Perma Gloss with a Q-tip.
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