Ryobi sells a huge variety of power tools, and nowhere is that more evident than in the selection of cutting tools it offers.

Let’s face it: cutting foam with a knife ... board as it is for the ubiquitous expanded polystyrene kind of foam used for everything from coffee cups to packaging material.

Cutting foam is difficult with traditional methods ... replacing the battery would be a pain. This is a quick tool for short-term use: we imagine shorting out a 9V battery will require you ...