Adapt the Toddleroo by North States® Essential Walk-Thru Gate to fit a wider opening in your home with the use of an extension. This extension in white adds an additional 12 inches to the Essential Walk-Thru Gate model number 5108 and 5108S. 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.