SABRE Adjustable 2-in-1 Door Security Bar, Door Stop Bar Secures Onto Door Knob, Strong Scratch-Proof Grip, Steady Against Floor, Removable Door Knob Top For Sliding Door Use, Portable Easy to Use A burglary occurs every 14.5 seconds in the United States - and the average 911 response time has climbed to 10 minutes due to federal budget cuts. The SABRE Home Series Adjustable Door Security Bar (HS-DSB) is a heavy duty; dual function security bar made from high grade iron that can secure just about any hinged doors, sliding doors, and/or windows. The security bar is fully adjustable with an angled padded bottom that assures full contact and strong grip on all types of floors without scratching them. Product Details Hinged Door Length: 28.5" to 45" (72.4 cm to 114 cm) Sliding Door Length (without door knob cup): 25" to 41.5" (63.5 cm to 105.4 cm) From the Manufacturer The Adjustable Door Security Bar was developed by SABRE, the #1 pepper spray brand trusted by police and consumers worldwide. Backed by 43 years in the security industry, SABRE products are designed to keep your home, loved ones, and your valuables safe. SABRE products are ISO 9001:2015 certified and must pass rigorous quality assurance testing before leaving our facilities, provide you with peace of mind and years of worry free use. Improve your home security today. Choose SABRE. Features ENHANCED HOME PROTECTION: Prevent forced entry on hinged, patio, and sliding doors with this heavy duty, dual-function door stop security bar; For indoor use only ADJUSTABLE: Adjusts from 28. 5 in. (72. 4cm) to 45 in. (114cm) in length to fit most standard doors and sliding patio doors; Top door knob jam is easily removed for use with sliding door applications (Length without door knob jam: 25 in. to 41. 5 in. ) DURABLE, COMMERCIAL DESIGN: Made with heavy duty 1mm, 20 gauge steel for strength and security; Pivoting ball joint ensures full contact with floor for secure fit while padded foot provides a strong grip without scratching the floor INSTALLS IN SECONDS: No tools required, simply adjust the bar length using the release buttons, prop under door knob with the pivoting ball joint placed 15-18 inches away from the door (do not place on rugs or door mats); Recommended to use with door knobs and levers only ? no handle sets PORTABLE AND COMPACT: Collapsible design is easy to store and ideal for travel, providing extra security in hotels, on vacation or at the office USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.