The AC54-JC lock in job caddy expands your work surface and customizes your ladder top. Great for on the jobsite or household use. The job caddy locks securely into the ladder top and has 4 storage compartments to keep small parts separated. Holds large or odd shaped items like fluorescent bulbs or ceiling fan blades, screwdriver, pliers, putty knife, towel holders. End hook built in for increased convenience. Integrated lock in system socket on the caddy allows for an additional paint cup (AC27-P), tool lasso (AC58-TL) or utility hook (AC56-UH). Increases productivity by saving trips up and down the ladder.