Ryobi ZRCSB125 13 Amp 7-1/4 in. Circular Saw (Green) (Certified Refurbished) 13 amp motor delivers up to 5,000 RPM to help you cut through tough materials Spindle-lock for easy, keyless blade changes Bevels to 51.5 degrees for complex rafter cuts Cutting scale provides a quick reference to help promote accuracy Oversize lower guard handle offers easy adjustments