Park Tool SW-10 Adjustable Spoke Wrench
The SW-10 Adjustable Spoke Wrench helps remove tight (stubborn) or rounded nipples. Hardened, nickel plated investment casting gives superior strength and durability. Fits any of the 80 gauge sizes listed for SW-0 through SW-2.
Okay. Okay. I won't. But you know what I'm going to say. This tool is indispensable. Generally, by the time this tool comes out, you've stripped a nip pretty badly and need to remove it so you can replace it. Nothing short of cutting the spoke and starting over works as well.