Stacktech compact low-profile organizer, auto-aligning nesting, auto-locking activates when the box drops into place, center slide lever unlocks stacking, center latch provides quick access to tools, versatile organization, composed of 6 bins and 6 dividers, made of black high-performance polymer and clear lid, ip65 dust and water resistant protection, dimensions: 26.5 x 47.5 x 9.5 cm