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 Standing Lady Cut Outs Round Bullet Stainless Steel Push-On Lug Nut Cover w/ Flange Heavy Duty 20″ Steering Wheel Covers in Deluxe Series Lens Guard for Large Oblong 2 Bulb Marker Lights Tall Cylinder Chrome Plastic 33mm Lug Nut Cover Gear Shift Bases