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 Aluminum Permit Sticker Holder Universal Chrome Tire Valve Stem Covers with Crystal on Top Cone Chrome Steel Push-On Lug Nut Cover w/ Flange Air Valve Control Knobs with Stainless Steel Script Plate Rear Hub Cap for Ford Flying Eagle Hood Ornaments