The small teeth of the blade and speed of the saw in conjunction with the base insert will prevent splintering or chipping of the top surface. Fig.` 3 PLUNGE CUTTING When cutting into a wall avoid contact with all exposed metal on the tool to prevent electrical shock hazard resulting from accidentally cutting into a live wire. HOLD SAW AS ILLUSTRATED IN FIG. 4. 10 One of the distinctive and important features of the Porter-Cable bayonet saw is the ability to start the cut (in wood only) within a