The 1101 bundle includes the 110 Patio Door Security Bar and the 111 Window Security Bar with Anti-Lift Lock. Having a security bar on your patio door and window can enhance your home security with to help prevent your patio door or window from being forced opened, they also act as visual deterrents for intruders, and the anti-lift lock prevents the bar from being lifted by children. The 110 fits most standard sliding patio doors and slides from 25.75 in. to 47.5 in. W, and the 111 fits most medium windows to narrow doors and slides from 15.7 in. and 26.75 in. W. The 110 Patio Door Security Bar and the 111 Window Security Bar are stable and reliable since they are not pressure mounted, instead they are screwed into the door or window frame/profile. If you are renting, in a dorm, or in an office, you can use the double-sided tape provided to fasten the saddles so that they can be removed without leaving a trace. You can prop your window or patio slightly open for ventilation or install an in-window air conditioner, all while ensuring the window remains locked in position. The bars are child-proof with an anti-lift lock so that the bars can't be lifted by children without supervision. Installation is quick, and the bar works great for everyday use. IDEAL SECURITY has been supplying quality hardware to North American homes since 1956. Please explore our other security and protection products for your home. Color: White.