For blocking off wider doorways or stairways, you can get a bit of extra coverage with the Cardinal Gates 10.5 in. Wrought Iron Decor Pet Gate Extension. This 10.5-inch wide gate extension is made to pair with the Cardinal Gates Wrought Iron Decor Pet Gate. Its steel metal construction is durable and has a choice of finishes to pair with your existing gate. Dimensions: 10.5W x 29.5H in.. Durable steel metal construction. Choose from available finish options. Weight: 4 lbs.. Adds 10.5 in. of width to Cardinal Gates Wrought Iron Decor Gate.