Hold aisle signs securely in flag position while capturing customer attention. Adjustable double-wire hooks fit a wide range of hole placement widths of up to 10 inches apart. The 1" on center base prongs are designed to fit into most standard pegboard holes. Unlike our competition, the base is also designed to fit into most standard slatwall grooves. Assembled telescopic arm easily adjusts from 13" to 21" in 1" increments. Removable and reusable.