General description The US PRO Knuckle Breaker Bar is a robust tool designed for heavy-duty applications. It features a flexible head for enhanced maneuverability and is constructed from hardened and tempered Chrome Vanadium steel, ensuring durability and strength. Technical specifications Length: 40 inches Knuckle head size: 3/4 inch Material: Chrome Vanadium, heat treated Other information 1 Year Warranty Included