Extendable gate: Accommodates openings 33 to 35 inches wide with the included 3.5-inch extension; Gate without extension measures 29 to 31 inches wide and 30.31 inches tall Versatile use: Suitable for doorways, at the top and bottom of your stairs, and in all of your hallways Ultimate safety: Features a manual locking mechanism with a double safety catch for adults to open in both directions with a 1 handed operation Easy installation: Easy installation with pressure fit fixed with 4 pressure points between doors or stairs Includes: No drilling is required making this an ideal addition for rental homes; Comes with Y spindle mounting accessories that can be used in rounded staircase railings