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 Related Products Angled Mud Flap Holder Stainless Steel Front Bumper Light Bars with 12 LED Lights Chrome Plastic ABS Rear Axle Cover with Removable Standard Hub Cap Marker Light Visors Mounting Bracket for One Piece Light Bar Heavy Duty 18″ Steering Wheel Covers in Deluxe Wood Grain Series