Replacement 1" Sq Drive Knuckle Joint for ys01799 Breaker Bar1"Sq drive knuckle joint for Model No. 3 1"Sq Drive Breaker BarFeatures: 1"Sq drive knuckle joint for Model No. 3 1"Sq Drive Breaker Bar.Specification: Application(s) -AK7313 Drive -1"Sq Net Weight -0.67kg Further Information We sell a wide variety of tools and workshop equipment for both the DIY and Professional markets. Alias: ys01800