String Furniture - Crate String System - Natural wood - Veneered particle board - Designer Nils Strinning; String Furniture Crate Natural wood Wood. Dimensions: L 58 x Depth 30 cm x H 42 cm. The Door Crate is available in one width, 58 cm, and one depth, 30 cm. The Crate is compatible with all String® System grid and plexiglass mountings with a depth of 30 cm. It's visually pleasing to add a bolder element to your shelf, such as a Crate, which also gives you extra storage space. The Door can be mounted on either side of the Crate. The Crate features an adjustable inner shelf and the interior dimensions are: W54 x D26 x H38 cm. The Crate is supplied unassembled.