Amazingly light, super compact and easy to load and fire, the 90AD is a nice change from the beefy nailers that framers are used to. Hitachi went to aluminum on this body, and it really cuts down on the weight of the tool. It’s only 7 pounds, the lightest we’ve seen in its class, yet it drives 2- to 3-1/2 inch nails in all kinds of applications: floor and wall framing, truss and window build-up, subflooring and roof decking, wall sheathing and...