Overhead guard for circular saws - Guard type CX can be fitted on any circular saw with worktable, whether provided with scoring or post-forming unit or not. It is composed of: (1) a hood covering the blade unit, (2) a supporting arm, (3) a support, (4) a fastener to machine bed. When performing a cut, with handle (5) raise the hood parallel to worktable just that much to allow the workpiece to pass underneath. The left side (6) made of a transparent material allows the operator to see the blade and the workpiece being cut. The suction outlet f 100 mm, to be connected with the exhaustion plant, was conceived so to ensure maximum performance when hood is completely down, resting against the workpiece surface. The right side of the guard is easily interchangeable with a broader one (7) to enable the execution of tilted cuts . Two workpiece pushers are serially supplied for the execution of special cut types