The original Worm Drive Skilsaw, often called the saw that built America. This saw combines the power and durability you expect from SKIL with jobsite-proven, pro-focused features. On top of our legendary Worm Drive, you get the best-in-class Dual-Field™ motor, engineered specifically by SKIL for saws. You’ve got your hands on the next evolution of the saw famous for cutting truer and lasting longer.