Seymour SA22035 AU-1AX Auger Extensions with Threaded Coupling, 3/4" Diameter x 48" Length Go to amazon.com Related posts Top 15 recommendation auger extension for 2022 FeaturePart number: SA22035Auger extensionsPack quantity: 1 DescriptionSeymour auger extensions with threaded coupling. it measures 3/4-inches diameter by 48-inches length. Legacy part number: AU-1AX. Made in USA.