This folding step stool comes fully assembled. The lock and open system allows for easy opening and folding. There is a removable tool tray on the top, so you no longer have to climb up and down to retrieve tools while working. You can place them in the tool tray. It has a non-slip rubber handle, making the stool easy to climb and carry. The wide footrest has a non-slip rubber pattern that provides foot support from heel to toe. The metal safety buckle automatically locks the stool in place, ensuring your safety while you are using it.