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