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 Lighted Bumper Guides 1″ Dia. x 51″ (L) in Eagle Style for Plastic Bumper T Quick Air Push & Lock Connect Fitting Chrome Plated Steel Single Light “L” Shape Mounting Bracket with Oval Sealed Light Stainless Steel Single Light “L” Shape Mounting Brackets with 2 ½” Sealed Lights Train Horn Floor Mount Stand Screw Sets Heavy Metal Polish – Green Formula