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 Bull Horn Hood Ornament Stainless Steel Air Cleaner LED Light Panel Front Mount Smart Dynamic Sequential LED Light Bar Swan Hood Ornament with LED Glow Base Universal Hood Scoop Aluminum Reflector Top Plates w/ DOT-C2 Conspicuity Tape