• Super heavy duty cast steel handles for professional use
• Extra heavy duty cast head design is 20% stronger than competitive brands
• Chrome Molybdenum hook and heel jaws for longest life and maximum grip
• Jaws hardened to HRC 52 - 58
• Powder-coated for maximum resistance to corrosion
• Induction hardened teeth provide exceptional grip
• Heel jaws attached using roll pins for easy replacement
• Meets US Federal Government Specification GGG-651 type II Class A
