As a pressure mount gate, it provides maximum pet security in doorways and hallways when drilling into woodwork or drywall is not desirable or practical. The Gateway incorporates exclusive Pressure Plus Technology, which forces additional pressure on the door frame when the handle is locked after each use, providing extra stability and security. Bar Spacing 2.375. Mounting options pressure mount. Includes two extensions. nOptional extensions are available for larger openings up to 6 feet. Size of Opening and Extensions Needed 31.5 37 included with gate. 37 42.5 1-G4101. 42.5 47.5 2-G4101. 47.5 49.5 1-G4111. 49.5 55 1-G4111 and 1-G4101. 55 62 2-G4101. 62 68 2-G4111 and 1-G4101. 68 73.5 2-G4111 and 2-G4101. Features n Easy, one hand operationn No damage to walls or doorways, installs quickly with no toolsn Heavy duty steel constructionn Gate Width 29 € to 37 €n Gate Height 29.5 €n Includes two extension bars to reach 37 €n Optional extensions are available for openings up to 6'Item Details n Dimensions 29 37 x 29.5n Color Black