Retract-A-Gate safety gate 52 wide, Black by Smart Retract

Retract-A-Gate 52" Black: The Original and only Made in USA Retractable Baby, Dog, & Cat Gate

Safety Innovations No Hole Stairway Baby Gate Mounting Kit - Fits Posts from 2 3/4 inches to 3 1/2 inches Wide with Square or Round Tops - No Adhesives On Or Screws in Your Posts, (1-Pack)