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 Heavy Duty Oversize Load Sign High Visibility Back Support Belt w/ Adjustable & Detachable Suspenders Plain 2-Hole License Plate Frames with Thick Bottom Lens Guard for Rectangular Marker Lights Eagle Head Tire Valve Stem Covers Stainless Steel Two Piece Spring-Loaded Light Bars with 4″ (6) Round Lights and 3.75″ Bolt Spacing