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 Seat Belt Comfort Pad Cover Wood Series Dashboard Control Knobs with Wiper/Washer Script Heavy Duty 18″ Steering Wheel Covers in Deluxe Stitching Series Bullet Chrome Plastic Push-On Lug Nut Covers without Flange Black 4 Bolt Quarter Fender Bracket Dome Light Lens Adapter/Grommet for Peterbilt