Adapt the Toddleroo by North States® Arched Auto-Close Gate with Easy-Step to fit a wider opening in your home with the use of an extension. This extension in white adds an additional 10.75 inches to the Arched Auto-Close Gate model number 4913. Simply insert the extension ends into the gate and pressure mount as directed. A maximum of three extensions can be used. Every Toddleroo by North States baby gate extension is JPMA and ASTM certified.