RAM Mounts Key Lock Knob w/ Brass Insert for B Size Socket Arms YCRF_sunglasses Approx chest size: 29"-33"

Approx chest size: 29"-33"

Jersey weight 8

Subtle in styling

Fit for most necks

Proven race-ratchet closure provides secure fit and quick on-the-fly adjustments

RAM Mounts Key Lock Knob w/ Brass Insert for B Size Socket Arms YCRF_sunglasses Approx chest size: 29"-33"This product is an Arm. You may need to purchase other components to complete your setup. 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. Material: Powder Coated Marine Grade Aluminum Ball Size: B Size 1"