PORTER-CABLE 324MAG 15 Amp 7-1/4-Inch Circular Saw with Blade Right Quik-Change keyless blade change offers tool-less blade changes in seconds Magnesium construction provides more durability and lighter weight at 9.6 lbs. 15 Amp motor and 5,800 RPM speed powers through aggressive cuts. Integrated dust exhaust port with 205- degree rotation and 1-inch O.D. for vacuum attachment. Soft grip handle; versatility with its 0-50 degree miter capacity and a positive stop at 45 degrees.