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 Stainless Steel Rear Center Panels with Backing Plate and 4″ (2) & 2″ (8) Round Lights Mothers® California Gold® Scratch Remover Rocket Style Lens and Caps for Bumper Guides Gear Shift Base with Curved Bottom Chrome Steel License Plate Holder Kits Lighted Bumper Guides 1″ Dia. x 51″ (L) in Skull Style for Steel Bumper