It helps centralized management of tools and various parts.You can also stack containers and use them.You can also stack and shift.You can pile it while putting the stored products.Transparent containers allow you to judge contents at a glance and manage with the eyes.Capacity (L):3.8Color:RedOuter Dimension (mm) W x D x H:210 x 250 x 130Effective Inner Dimension (mm) W x D x H:165 x 205 x 108Applicable Card Holder (sold separately):VN-3CPolypropylene (PP)