I'm no electrical engineer, but let me tell you - these little guys are the real deal. The 5% tolerance and 0.0056UF rating means that they deliver consistent and accurate performance, every time. The set comes in a little bag, which makes it easy to transport and store. The capacitors themselves are colour-coded and labelled, so even a rookie like me can figure out which one to use. I was blown away by the quality of the "Mylar Radial" capacitors. They're durable, reliable, and affordable - a wSee full review