This durable steel internal pipe wrench set features expandable knurled cams that provide a secure internal grip without marring, scratching, or denting pipe surfaces. Designed to break loose pipes even when threads are damaged, this set includes 3/8 in., 1/2 in., and 3/4 in. sizes for versatile plumbing applications.

• Expandable knurled cams provide a secure internal grip on pipe nipples
• Designed to install and remove pipes without marring, scratching, or denting the surface
• Effectively breaks loose pipes even when threads are damaged
• Constructed from durable solid steel for long-lasting professional use
• Includes three essential sizes: 3/8 in., 1/2 in., and 3/4 in.
• Compatible with standard or adjustable wrenches for operation