5mm Black Plastic Side Knob Screws for CB & Amateur Radios - 2 pack Pack of 2 Side Knob Bracket Screws For CB / Amateur / Scanners. 5mm size Black plastic knob & metal screw. Fits Most popular CB's including Cobra 25/29/148, Galaxy, RCI & Ranger CB's, Connex. Fits Uniden 66/68/76/78, Grant, Grant XL & others. Also useable on Scanners & other products requiring 5mm Sides crews.