The Craftsman 10-drawer flat black ball-bearing combo includes a six-drawer top chest and a four drawer bottom chest. Top chest has gas struts and bail side hands and bottom chest includes I-Frame construction, side handle and mat. Ball-bearing drawer slides allow for smooth operation under heavy loads and fully-extend for easy tool access. Features a 1,000-lb load rating. Parts of the toolbox can be purchased as separate items or all together.