The BabyDan Extend A Gate Single Kit Extension in white is compatible with the BabyDan Premier True Pressure Gate, BabyDan Danamic True Pressure Safety Gate and the BabyDan Avantgarde Gate White Wooden. The single kit can be added to either side of your safety gate to fit your required width. This listing is for a single extension kit which will add 6cm exactly to the width of the gate. The gate spindles can still be adjusted once the extension has been added. Please check the extension guide in your gate manual for the exact amount of additional width required. This extension is only compatible with the latest BabyDan gates which have passed the EN1930:2011 Safety regulations (Please check your gate for confirmation).