Security bar application: For indoor use. Best used on hinged and sliding doors to prevent forced entry. Door bar adjusts for application flexibility, Top piece is easily removed for sliding door applications. Durable design. Made with 20 gauge steel for strength and security, Pivoting ball joint ensures full contact with floor and padded foot provides a strong grip without scratching. Specifications: Adjusts from 27-1/2 in. to 42 in. length to fit most standard doors and sliding patio doors Please leave a message with your name, a call-back number, and item. Thanks!