Snap-On Cover Flange and Base View our selection of Snap-On Cover Flanges and Bases Updated on June 12, 2018 Was this article helpful? Yes No Related Articles Mechanical Galvanizing Technical Information Sheet Double Splice-Lock™ – Railing Joint Stiffener & Pipe Railing Splice Connector Cleaning Forged Iron and Steel Hardware Finish Standard Designations Galvanic Corrosion Antiquing Iron or Steel