Patent ID: 7387058

Claim:
A miter saw comprising: a base; a fence secured to the base and having an abutment surface on which a side of a workpiece abuts for positioning the workpiece on the base; a cutting unit supporting a circular saw blade which provides a plurality of blade tips; a support unit movably supporting the cutting unit above the base; a light projecting device that forms a projected line on the workpiece, the line being indicative of a position of a tip of the circular saw blade and a position of an extension of the tip in a diametrical direction of the circular saw blade; and a mirror provided at a position in confrontation with the side of the workpiece in abutting contact with the abutment surface of the fence for reflecting the projected line which is projected on the side of the workpiece which is in abutting contact with the abutment surface of the fence and for allowing a reflected line image of the projected line on the abutting contact side of the workpiece to be observed from a front side of the saw.