1 Material:Carbon steel,stainless steel,Cr-V 2 Size:8",12",18",24",36",48" ... with one month.The features of the heavy duty pipe wrench:1 Material:Carbon steel,stainless steel,Cr-V2 Size:8",12",18",24 ... . Others of the heavy duty pipe wrench:The mouth of our pipe wrench is forged by high quality carbon steel and of excellent ...