I'm always tremendously skeptical about a tool that claims to "change how work is done" as Festool does for its plunge-cutting 8-1/4-inch, 13-amp TS 75 EQ circular saw system. But after testing the TS 75 EQ, the company's newest and largest saw, I believe every word of it.

The TS 75 EQ excels at making precise straight cuts. It's not a framing saw, and it doesn't pretend to be; but this precise saw and guide will change the way you make long clean cuts on site. At the heart of the system is its aluminum guide rail that the saw base fits onto with zero play. A rubber strip along the guide's edge is cut to a perfect fit with the saw's first use and thereafter serves as an exact, splinter-free cut line–where you lay the edge is where you get your cut. The guide rail doesn't have to be clamped down; grippy material underneath holds it in place. Guide rails are available in eight lengths from 32 inches to 16 feet, 5 inches and also can be connected together.

Another major difference of the TS 75 EQ is its plunge-cutting action. The guard stays in place while the motor and blade descend to a preset depth stop–adjustable in 1-millimeter increments or as small as .1 millimeters with the addition of a set screw–before being pushed forward. This allows the saw to cut in the middle of a workpiece.

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