The Stanley Heavy Duty Pipe Wrench-Cast Iron boasts of a durable drop-forged hook jaw which prolongs the life of the product. Stanley 87-627-23 - Heavy Duty Pipe Wrench-Cast Iron is considered one of the most sought-after pipe wrenches which can withstand high torque. Its Strong I-beam handle design makes it an outstanding product and comes with a floating hook jaw design which allows ratcheting functions