The Bannister Installation Kits allow you to fit the KiddyGuard Avant in even more places in the home, and can be used with either round or square banisters Clamped into position, you will not need to use screws to fit to you bannisters so there will be no permanent damage! As with all safety products, please check the straps regularly to ensure that they haven’t worked loose with repeated use of the stair gate. THIS SET OF FITTINGS IS FOR THE LOCKING STRIP ONLY (RIGHT HAND SIDE OF THE GATE)