The Cardinal Gates Versa Gate is the most versatile pet safety gate on the market. A real problem-solver, this modular system is capable of endless configurations when used with additional extensions, each sold separately. Two different sized (optional) extensions are available: VG-20 (20 Inch wide) and the VG-40 (40 Inch wide). With added extensions, the Versa Gate can span large areas. It can be used in a straight-line configuration. It can navigate difficult spaces. It can even be made into a fully enclosed pen. The Versa Gate features a 40-inch door section with a large 24-inch opening. Round, rubber-coated feet increase stability and prevent scratching floors. The Versa Gate's width spans from 40-Inch to 77.25-Inch, depending on the desired configuration. Wall-mount hardware allow for easy, temporary takedown of gate without completely uninstalling hardware—easy to reinstall. The Versa Gate system (VG-65) includes a door panel (40 Inch) and two 20 inch extensions. This gate is wall-mounted using hardware. Configuring the Versa Gate as a fully enclosed pen requires additional extensions and is the ONLY way this gate is freestanding. With durable steel construction and a powder-coated finish, the Versa Gate is as tough as it is attractive. The Versa Gate is great for door and stairwell safety, as a room divider, a retaining gate, or as a playpen enclosure. Gate Specs and Dimensions: Height 30 1/2; Bar Spacing 2 1/4; Width spans from 40-Inch to 77.25-Inch depending on configuration Chew-proof, heavy-duty steel construction Can span as far as needed with extensions (sold separately)One-handed operation.