--- title: PTA Petition Top Anchor description: Item no. 420-PTA HDG Petition Top Anchor is designed to allow vertical deflection to an upper member while limiting horizontal shear. --- [![Providing Structural and Miscellaneous Steel Fabricators](https://www.thesteelsupplyco.com/hs-fs/file-14727826-jpg/images/bannerfixed-webrdy.jpg?width=750&name=bannerfixed-webrdy.jpg "Providing Structural and Miscellaneous Steel Fabricators")](https://www.thesteelsupplyco.com/) - [![the steel supply company](https://www.thesteelsupplyco.com/hs-fs/hubfs/logo-1.jpg?width=88&name=logo-1.jpg "the steel supply company")](https://www.thesteelsupplyco.com/) - [![The Steel Supply Co, Inc](https://www.thesteelsupplyco.com/hubfs/top-text-new.png)](https://www.thesteelsupplyco.com/) - [![Specialized Supplies for Structural and Miscellaneous Steel Fabricators](https://www.thesteelsupplyco.com/hubfs/bottom-text-new.png)](https://www.thesteelsupplyco.com/) [*Steel Supply Co Home*](https://www.thesteelsupplyco.com/) > [*Steel Products*](https://www.thesteelsupplyco.com/steel-products) *> [Masonry Anchors](https://www.thesteelsupplyco.com/masonry-anchors) > *PTA Petition Top Anchors # PTA - Partition Top Anchor ### Item # PTA-420 HDG The Partition Top Anchor is a two part item consisting of 1) a steel rod welded to a mounting plate and 2) a Butyrate tube the rod will slide inside of. It is designed to function at the top of a masonry support wall or pier and provide horizontal shear resistance to an upper member while allowing for vertical movement.  - Dimensions - Rod - 3/8" dia x 7" - Plate - 1-1/2 x 3 x 7 gauge - Tube - 5/8" x 7" with compressible filler  Typically sold as pairs, 1 rod w/ 1 tube.  100 pc. per box     ![420-PTA-Petition-Top-Anchor-w-Text-1](https://www.thesteelsupplyco.com/hubfs/420-PTA-Petition-Top-Anchor-w-Text-1.jpg "420-PTA-Petition-Top-Anchor-w-Text-1") © 2015 The Steel Supply Company, Inc. * Office: 35 Pine Drive, Cold Spring Harbor, NY 11724 * Warehouse and Factory: 109 Kean Street, West Babylon, NY 11704 * Phone 631-385-7273 * Fax 631-385-7274 info@thesteelsupplyco.com