Material Stainless Steel Unit & Package Sold by each, carded for display Part No. Item Size Description 91136 Medium Duty ¾” (Dia.) x 3” (H) Fits antennas up to 48” 91142 Heavy Duty ⅞” (Dia.) x 3 ½” (H) Fits antennas up to 60” (Heavy Duty design for better support and less vibration) Part No. & Image Selection Spring for C.B. Antenna Part No.: -- Please Select -- 91136 91142 Combination of product variants is not available Updating... Related Products Chrome Aluminum Steering Wheel Spinner Lens Guard for Oblong 2 Bulb Marker Lights Small “Z” Shaped Light Bracket Kit with 4 ½” Tractor Utility Light Butt-In Cigarette Self Extinguisher Magic C.B. Antennas Screw-In Air Valve Control Knobs