Limited stock available - not being restocked

RAM Knob Lock for B & C Ball Size Socket Arms

• Replaces the Standard tightening knob on RAM B or C-Size Socket Arms

• 1/4"-20 Thread (B Size, 1" Arm) or 5/16"-18 Thread (C Size 1" Arm)

• Still allows for full adjustment and movement of arm

• Once Knob Lock is tightened, lock with one of 2 keys supplied

• Knob turns freely when locked, preventing arm from being removed

• Made from powder-coated marine grade aluminium