Our Portable Toolbox with Wheels - Stackable Tool Chest with Drawers-4 piece set. Includes an extra-large deep bin for safe and convenient storage of power tools and hardware, a medium-sized tool box and two shallow tool box for small parts and accessories. The stackable storage system features two 7 in. rubber coated wheels and an ergonomic, telescoping handle for easy transport. Except non-slip handle, the multi-function toolbox also features metal stainless steel double locks, more secure, safe and reliable. Stacks neatly to keep tools secure and organized. Grab the unit you need and leave the ones you don’t.