Replacement 1/2" Sq Drive Knuckle Joint for ys01784 Breaker BarKnuckle joint for Model No. 3 1/2"Sq Drive Breaker BarFeatures: Knuckle joint for Model No. 3 1/2"Sq Drive Breaker Bar.Specification: Application(s) -AK7303 Drive -1/2"Sq Net Weight -0.07kg Further Information We sell a wide variety of tools and workshop equipment for both the DIY and Professional markets. Alias: ys01785