✦ A great way to break loose broken pipe ends, plugs and fittings that
　have rusted inside another pipe.

✦ Remove broken Iron pipe nipples by tapping them snuggly into the broken
　pipe end; turn counterclockwise with a wrench or socket that fits the hex end.

✦ The hex-shaped body makes the tool easy to use with a standard wrench;
　both the cam and body are made from hardened steel

✦ Set includes 3 wrenches; 1391 3/8-inch (9.7mm), 1392 1/2-inch (12mm),
　and 1393 3/4-inch (20mm)

✦ Fits iron pipe nipples NPT 1/8-inch, 1/4-inch, 3/8-inch, 1/2-inch and 3/4-inch