Early this year, Hitachi introduced a new round-head framing nailer, the NR90AE.

As soon as the gun came out, JLC sent me one so I could test it. I was immediately struck by its distinctive styling — it looks like something out of a Spiderman comic book. I was eager to see if its performance was equally distinctive. I especially wanted to know how the new gun compared with other nailers, like Hitachi's earlier NR83A, which...

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