The Rockwell 4-1/2 inch compact circular saw is capable of tackling the toughest jobs, including cutting through aluminum, sheet metal and drywall. The 4-1/2 inch 60T HSS high speed steel blade offers the versatility of slicing through wood and plastic, as well as being the preferred blade for aluminum, sheet metal and drywall. Whether you’re making a straight or beveled cut, the RW9282 will deliver a smooth and precise cut - every time. 4-1/2 in. 60-tooth high speed steel blade for the compact circular sawSmall, thin design for less tool strain, resulting in full-size circular saw cutting speed and performanceSuitable for wood, plastic, aluminum, thin sheet metal and drywallHigh rated 10,000 RPM maximum speed for premium cutting results