Modern Plastics Saber Saw Blades / 2-pak -each package contains one (gold) blade for material up to 1/8" and one blade (green) for thicker materials. These saber saw blades are specially designed to cut acrylic (Plexiglas®) and polycarbonate (Lexan®) materials so smoothly that the edges can be polished if so desired. The blades are 3.750" long.