New by Primetime Petz! The Auto-close Pet Gate Extension is a great addition to your Auto-close pet gate. These safe and elegant extensions easily attach to your gate to add length to cover wide openings. Since the gate already comes with two extensions, up to four more may be added to safely span any opening up to 49", Keep your pet contained to their designated area while providing you easy access to any space. The beautiful hardwood construction compliments Primetime Petz other fine wood pet products, in our signature Walnut finish which compliments any decor. Spindle distance 2". Recommended for dogs 5 lbs or more. 1 extension is needed if your opening is between 37-40", 2 extensions are needed if your opening is between 40-43", 3 extensions are needed if your opening is between 43-46", 4 extensions are needed if your opening is between 46-49", 4 extensions are needed if your opening is between 46-49". Warranty: 30 days against manufacturer defects.