Knuckle joint for Model No. AK7316 1/2"Sq Drive Ratcheting Extendable Breaker Bar. 36-Tooth ratchet needs only 10° rotation to engage next tooth - advantageous when using long bars. 3-position control ring gives anticlockwise/clockwise ratchet and locked. Phosphate finish for corrosion resistance. Features & Benefits:Knuckle joint for Model No. AK7316 1/2"Sq Drive Ratcheting Extendable Breaker Bar.36-Tooth ratchet needs only 10° rotation to engage next tooth - advantageous when using long bars.3-position control ring gives anticlockwise/clockwise ratchet and locked.Phosphate finish for corrosion resistance.Model No. AK7316RK Specifications: Model No AK7316RK Application(s): AK7316 Brand: Premier Drive: 1/2"Sq Nett Weight: 0.28kg