Suitable for any outdoor job or project, the TRADESTACK™ 22-in Rolling Tower Premium Storage Stack includes a suitcase, deep toolbox, and a rolling unit. The TRADESTACK™ units connect to each other, automatically stacking via a drop and lock mechanism and easily separating with a one-touch release. They are IP65 dust and water resistant, have a large storage space to fit large and heavy tools, and feature durable 7-in wheels that enable smooth mobility for convenient transport to any destination. Compatible with VERSASTACK™ modules, and CRAFTSMAN® organizers and tool sets via an included adaptor, you will be ready to meet all your stackable storage needs. Made in USA with Global Materials. EASY TO CONNECT: Automatic stacking with drop and lock mechanism EASY TO REMOVE: One-touch release for quick detaching of units STORE MORE: Large 22-in size allows for storing of large tools in three different unit sizes HIGHLY DURABLE: Structural foam design for extra strength KEEP TOOLS SECURE: Overmold latches for easy operation DURABLE MOBILITY: 7-in durable wheels move around work site with ease WATER RESISTANT: IP65 rated material designed for dust and water resistance INTEGRATED ACCESSIBILTY: Integrated tool clip and electric cable holders VERSASTACK™ COMPATIBLE ADAPTOR: TRADESTACK™ compatible with VERSASTACK™ products and CRAFTSMAN organizers and tool set cases when used with included adaptor