JEUCLEL Nut Splitter Cracker, Fits 1/2" to 5/8" (12~16mm) Metal #2, White
$13.21
Ease of Use: Adjust the nut splitter bolt to fit your target nut, tighten with a socket or wrench, and simply turn the nut splitter bolt to smoothly separate the target nut. Use a 14mm spanner to tighten.