The G4100 White or G4101 Black is a 5.5" extension that can be used with the Gateway, Auto Close Gateway or Designer Auto Close Gateway pressure mount gates.

The G4100 or G4101 is a 5.5" extension
KidCo Gateway Gates will reach 31.5 - 73.5 inches with G4100 and G4110 white or G4101 and G4111 black extensions