The RAP-S-KEYN5-7 replacement key knob is compatible with 2.25″/3.38″ diameter D/E size arms and mounts that contain the Pin-Lock security nut. Verify the correct replacement key knob by matching it’s node number pattern with the node number pattern found on the security nut.
RAM® Pin-Lock™ Replacement 7-Pin Key for D & E Size Socket Arms
R6.99
