Sealey ratcheting knuckle joint 1 2 sq drive for ak7316 sealey premier ak7316rk replacement knuckle joint for ak7316 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 sealey ak7316rk ratcheting knuckle joint 1 2 sq drive for ak7316