The DEWALT DT70716-QZ TSTAK caddy for small tough case sets is compatible with the TSTAK storage system - Integrated transport handles equipped with compartments to store 4 extra small transparent boxes and 5 tough case boxes.It can also be wall mounted in your workshop!featuressecurely stores small extra small toughcases within your TSTAK storage system works as a carry case and compatible with the TSTAK storage system for easy in-van and workshop storage can be stacked on TSTAK storage systems It includes slots for holding compact tough caseshelps you to easily transport accessories and small parts to different areas of the job site can be used with the TSTAK trolley from dewaltwall mount able securely stores small bulk storage sets and small toughcases. Works as a carry case and compatible with the TSTAK storage system for easy in-van and workshop storage.No accessories included in this set - just the caddy will be supplied The DEWALT DT70716 caddy can be stacked on TSTAK storage systems It includes slots for holding compact tough caseshelps you to easily transport accessories and small parts to different areas of the job site compatible caseswill accept all small tough case bit Sets including all flextorq sets (in small tough case) and part Numbers: dt50050-qzdt70700-qzdt70702-qzdt70703-qzdt70704-qzdt70705-qzdt70706m-qzdt70707-qzdt70708-qzdt70709-qzdt70710-qzdt70711-qzdt70712-qzdt70713-qzdt70714-qzdt70715-qzdt71572-qzdt7935b-qzdt7938b-qzdt7969-qzcorrect as of April 2019