This 400mm extension bar with 1" square drive is the longest option available, engineered for maximum reach in the most challenging applications. Forged from chrome molybdenum steel, this premium extension bar offers exceptional strength and resilience when working on heavy machinery, large vehicles, or industrial equipment where deep access is critical. The chrome molybdenum steel construction provides superior impact resistance compared to standard carbon steel, making it the ideal choice for demanding professional environments. The black phosphate finish delivers robust corrosion protection whilst maintaining the precise tolerances required for smooth operation with electric or pneumatic impact wrenches rated for 1" drive applications. Features and Benefits: • 400mm length for maximum reach capability • Manufactured from chrome molybdenum steel, chemically blackened for corrosion protection • For use with electric or pneumatic impact wrenches with a 1" drive • Supplied with ring and pin Contents: • 1 x Impact Extension Bar, 1" Sq. Dr., 400mm
