The handle of the wrench is made of high-strength malleable iron and the head is made of heavy duty forged steel.The teeth are sharp, non- breaking, non-coiling, high hardness and wear resistance.Full floating forged hook jaw for fast jaw grip and release, allowing you to easily make quick adjustments. The handle of the wrench is wrapped with plastic, and fits well in your hand. It makes you grasp the wrench more comfortable, not easy to slip. Wide I-beam handle design provides better weight distribution and saves labor.Suitable for all pipe related home improvement repairs that need a tight grip, such as gas tank repair, household plumbing, vehicle maintenance. The deep grooved teeth of each straight pipe wrench lock in place to provide a confident grip around smooth, round surfaces like shower heads or bathroom sinks and drains.