The Acu-Cutter 500 is one of the finest multi purpose foam cutter on the market today that can cut most foams up to 8 ½ inches thick. The Acu-Cutter 500 has 2 blades, both move for maximum cutting ability. The blades are made from ½ inch (front to back) “V” tooth blade material (10 teeth per inch) to produce a fine reliable cut. Uses a detachable, low profile base with glide rollers. This base can be removed to produce angle cuts or sculpting. Powered with a 4.5 amp Black & Decker JS 500 jig saw motor with variable speed. Accordingly, these motors can be replaced at a low cost with ease and parts are readily available. Other more expensive foam cutters can cost $350 to replace a motor. Because the Acu-Cutter 350 motor can be replaced with ease, the Acu-Cutter 500 is the best choice today for a reliable high volume foam cutter.