Master Lock No. 265D Door Security Bar (best used for patio or sliding doors) will stop anyone forcing entry from outside your door. It is a simple and effective way to keep unwanted visitors out, when this hard-wearing door brace is propped against the inside of any door. The padded grip prevents damage to floors and provides good stability on the majority of surfaces. The brace is also easy-to-fit horizontally where it is used as an effective door security bar. Padded foot provides sure grip without scratching. Pivoting ball joint assures full contact with floor. Rugged 20-gauge steel construction. Top piece removes for sliding-door application. Adjusts from 27" - 42" to fit most standard doors and sliding patio doors. Resists forced entry through doors and sliding patio doors. Dual-function door security bar for sliding and hinged doors. Portable for use anywhere, & lightweight.