Tackless paper holder is an innovative and safe way to display documents posters and pictures without leaving unsightly holes. No tacks pins or staples! Mount in a library classroom office hallway or anywhere you need quick and easy display space. Ideal for artwork school work photos maps schedules and more. Unique roller system provides secure hold and quick release. Board Width: 12 in Board Height: 1 in Board Depth: N/A Surface Material: N/A.Unit of Measure : Each