Name: non sparking pipe wrench Introduction: Widely used in a explosive and flammable place; fastening or removing bigger metal pipe or Cylindrical parts. It is the most conventional tool in pipe installation and repairing work Material: Be-Cu,Al-Cu,precision casting products Size: 200*25,250*30,300*40,350*50,450*60，600*75,900*85,1200*110 (mm）