If you cut 4x, there's nothing like cutting it in one pass with this 10-1/4 IN. SKIL Worm Drive Skilsaw. No matter what the material, this worm drive Skilsaw is built to be relentless with its 15 Amp dual field motor designed specifically for saws. It keeps the motor cooler, providing increased power and durability for the life of the saw. Only SKIL has it. Increase your productivity on the jobsite by making one clean cut the first time, every time. SKIL. True to the trade since 1924.