Marvolus 395-R Metal Easy-Slide Real Estate Frame For 18 x 24 Inch Signs, Screws Not Required (Pack of 4) Easily change sign faces (up to 0.75" thick) without any fastening hardware Perfect for home improvement companies, real estate agents, political campaigns, or yard sales Black angle-iron frames have rounded corners and spiked feet for easy ground installation Holds 1 double-sided 18"H x 24"W sign panel (not included) Sold in case packs of 4 sign frames