I-Shaped Ladder Stay Ladder Stand Off Down Pipe Ladder Accessories Aluminum Ladder Safety Devices Rubber Bumper No Trace Multipurpose No Tools Needed Used on Any Flat Surface or Wall : Amazon.co.uk: DIY
TB Davies 1400-001A, Universal V-Shaped Down Pipe Ladder Stand Off Accessory Kit, Helps Stop Your ladders Slipping Sideways, Easy to fit, No Tools Needed : Amazon.co.uk: DIY & Tools