Check the listing for details. Martin Tool PW8 8 Inch Chrome Straight Pipe Wrench. Condition: New, Made in USA. Listed at 39.38 USD. PW8 8 1 3/4. Heavy Duty Pipe Wrenches are made in the U.S.A with a straight iron handle. They are adjustable, which makes it easy to fit around different sized pipes. Pipe wrenches are a combination of Cast Iron or Cast Aluminum bodies with steel jaws drop forged from steel bar.