No more picking up and moving the ladder or risking falls by over-reaching. Instead, add this two-pack ladder jack accessory to your ladder rental and create your own aerial work platform. These two-rung jacks attach to round or D-rung extension ladders securely with customizable sliders to adjust to multiple sizes. They can support a plank up to 18'' wide and up to two workers. Reduce fall risks and strain from over-reaching with this ladder jack two-pack accessory.