This is for a Dewalt 18Volt NiCad , 6 1/2" Circular Saw, also known as a Skill saw. This is lightly used and in great condition. This is an upper level model with an accurate cast aluminum coated base. Includes blade tightening tool and has a blade lock. Only asking $50. If interested, email me at this ad or call me at the land line number listed in the ad. Thanks for your interest!