The SunZi PT18501-11 18V Pipe Cutter is like no other product in the market today. Powered by 18V Lithium-Ion Batteries, this pipe cutter does what most tools like it cannot. This pipe cutter has changeable heads so it can cut either PVC or Copper Pipe. Changing the heads is quick in easy. Simply press the tool release button, turn the head that is on the tool, and remove. To attach the next head, simply put the stud in the hole and twist until it locks. TOOL-FREE!! The PT18501-11 is ideal for the Plumber on the run or any DIY project in which cutting pipe is necessary. With maximum cutting capacities of 1-2/3" for PVC and 1-1/8" for Copper, this product can handle most required jobs. The variable speed trigger allows you to cut the copper pipe at your pace and refrain from going to fast. This will ensure precise cuts. Included in this Heavy Duty Case is aquick 1-Hour Charger that allows you a quick solution to an empty battery.