START SLIDESHOWSTOP SLIDESHOW Material Chrome Steel Features Designed for all C.B. radios, external mounted C. B. speakers, mobile scanners & radar detectors currently present in retail markets Unit & Package Sold by pair, carded for display Part No. Description 91170 4mm screw knob 91171 5mm screw knob 91172 6mm screw knob Part No. & Image Selection Universal C.B. Screw Knob Part No.: -- Please Select -- 91170 91171 91172 Combination of product variants is not available Related Products Bell with Eagle on Top Bumper Guide Light Socket with 60″ Wire Hex Pyramid Chrome Plastic 33mm Lug Nut Cover Standard Chrome Steel Push-On Lug Nut Cover w/ Flange WindRider Chrome Flying Goddess Hood Ornament Stainless Steel Two Piece Spring-Loaded Light Bars with 4″ (6) Round Lights and 2.5″ Bolt Spacing