They were then subjected to 240 AC mains (via a dim bulb), with no problems. They are pure black. This is a Larger version of my regular kits. You get 20 of each of the 0.1, 0.01, 0.22 ,0.022, 0.33, 0.033, 0.47, 0.047, and 10 of eachbbof the 0.001, 0.0022, 0.0033 and 0.0047.
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