Locking Knob (for B Size Arms)

The RAM locking knob, includes a brass 1/4"-20 thread, for 1" (B size) socket arms; this allowing you to disengage the screwing of the knob. Once you have set your mount in the location you need, you can lock it in place and feel safe that your mounted device will stay right where you left it.

Replaces standard tightening knob for all RAM-B-201x arms.

Material:
Powder Coated Marine Grade Aluminum

Ball Size:
1" Rubber Ball "B" Size