The 408 Astro Pneumatic ONYX Flex Head Reversible HD Cut-Off Tool has a flex-head design allows for setting the tool 25° forward or backward for clearance and a forward and reverse dial, that you choose where the sparks are thrown. 408 Astro Pneumatic ONYX Flex Head Reversible HD Cut-Off Tool features a 0.8 horsepower motor, designed for full throttle heavy-duty applications.