The Zarges Ladder Stopper acts as a ladder stability device by preventing ladders either slipping or pivoting on one stile. It is manufactured from a heavy-duty aluminium T shaped plate base covered with heavy-duty rubber. The stopper grips the ground securely and the T shaped plate holds the ladder in place. It can be used by a single ladder user. A second person is not required to foot the ladder. Width: 457mm (18in). Suitable for ladder width: 406mm (16in). Suitable for ladder type: DIY/trade.