The RAM-KNOB3LU 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.

FEATURES
• Keep your devices and mounting system safe from theft and tampering with this 1/4"-20 female threaded security knob
• Replaces standard knobs on 1" B size RAM double socket arms
• Made of high-strength composites and steel for durability and reliability in the most demanding environments
• Backed by a lifetime warranty

HARDWARE INCLUDED
(2) Keys