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 Chrome Plastic Rear Axle Cover Set with Cone Hub Caps Howling Wolf Hood Ornament Chrome Triple Light “L” Shape Mounting Brackets with 4″ Sealed Lights White Swan Hood Ornament DOT-C2 Conspicuity Tape in White 150′ Roll Clamp for 2″ Dia. Quarter Fender Supporting Pipe