Perfectly functional, durable and easy to use, this gate is ideal to keep the kids in or out! This gate is constructed of heavy duty metal and is equipped with a security latch. The best amenity of this gate is the fact it will fit any doorway or room opening. The standard Metal Auto Close Gate fits 29.5" - 38", but with the addition of the extensions the gate fits 29.5" - 61". Extensions come in three sizes: 1, 2 and 5. The 1-Bar Extension adds 3" to gate. The 2-Bar Extension adds 5 3/4" to gate. And the 5-Bar Extension adds 14" to gate. Standard model 29.5"– 38" Wide. Fits openings 29.5"– 61" with extensions. 30" high with or without extensions. Use at top of stairs or in a variety of room openings. Automatically closes and locks. Security latch with easy-one hand operation. Easy to install with child-proof locking handwheel. Heavy-duty metal construction.