Primetime Petz Wood Gate Extension Kit with Door Our versatile chew-resistant freestanding extension kits, fashioned with a revolutionary hinge, provide truly limitless configurable variations for containing your pet. Made entirely of wood, this stylish two-paneled extension safely spans openings up to 36 inches wide and can be used by itself, or be easily attached to your current 360 Gate to allow for an even greater number of configurations and a larger play pen. Increase the length and span of your 360 Configurable Gate with a stylish two-paneled extension kit with convenient built-in door. When used in conjunction with the 360 Gate, your new gate is easily transformed into a 6 panel room divider which safely spans openings up to 108 inches wide. Extensions are 30 inches tall and rated for all sized pets. Distance between spindles is 1 7/8 inches. Finished in a beautiful walnut, this gate will look right at home in any room.