SECURITYMAN 2-in-1 Door Security Bar & Sliding Patio Door Security Bar (2 Pack) via Interchangeable Caps - Heavy Duty Iron Construction Door Stoppers for Home, Apartment, Travel Hotel - Black 2 Pack Black

Two in one Door Stopper Security bar and Sliding Door Lock Bar: Use this device for two different purposes with easily interchangeable caps for hinged doors and sliding door/window
Adjustable and Durable: Door stopper security can be adjusted between 18.25" to 47.50" and constructed of high grade iron to withstand 400 pounds of pressure *please note: the sliding glass door lock caps decrease the maximum length to 46.50"
Security Door Stopper: Angled rubber bottom assures full contact and a strong brace on all types of floors without scratching them as well as all door knob types including french doors
Easy to Use: Easily props under door knob and easy to remove. Security burglar bar can also be easily adjusted
What's Included: Security Safety Bar (3 parts), Door Caps (2pcs), Sliding Patio Door & Window Caps (2pcs), User Guide, 12 Month Warranty, & Friendly Customer Support