VERSATILE BLADE FOR ALUMINUM 3/16 IN. TO 5/8 IN. THICK, FIBERGLASS 3/16 IN. TO 3/4 IN. THICK, AND PLASTIC 3/16 IN. TO 1-1/4 IN. THICK 8 TPI TOOTH DESIGN FOR FAST, STRAIGHT CUTS HIGH-SPEED STEEL CONSTRUCTION FOR LONG LIFE PROPER LUBRICANT IS RECOMMENDED WHEN CUTTING METAL 4 IN. OVERALL LENGTH, 3 IN. WORKING LENGTH