Festool 497566 Systainer SYS 4 Tool and Accessory Storage Unit Seamlessly connects to other Systainers, Sortainers and to Festool CT Dust Extractors for easy transport. Work more efficiently by stacking and latching tools and related accessories to create highly mobile, job-specific kits Made of durable, robust, high quality ABS for long service-life All Systainers share an identical footprint for easy stacking, storing, and transport SYS 4 Dimensions: 15-5/8in x 11-5/8in x 12in (395 x 295 x 315 mm), 5.3lbs