The challenge? To make a hole lengthwise through a 0.5mm pencil lead that's 60mm long! Supreme Skills! contestants have never worked on such a small scale before! One contender is a prominent lathe drill operator who relies on the feel of his control wheel. The other is an EDM (electrical discharge machining) expert who harnesses the awesome power of lightning that's generated in tens of thousands of tiny shocks per second. This episode starts off with a showdown, where they overcome unexpected obstacles with amazing resourcefulness and skill. Who will win?