3-stage pendulum action to increase cutting speed. Variable speed trigger for increased control. Universal blade clamp holds both U & T shank blades. Integral dust blow feature clears the line of cut. Integral dust extraction feature to keep the work area clean. Sightline channel makes it easier to follow a line. Lock-on switch for increased comfort during prolonged cutting tasks. 3 metre cord-set length for convenience. Small, lightweight & compact industrial design. Beveling shoe allows you to cut at 45 degree Angle.