String Furniture - Crate String System - Natural wood - Veneered particle board - Designer Nils Strinning; String Furniture Crate Natural wood Wood. Dimensions: L 78 cm x Depth 30 cm x H 42 cm - Shelves: Depth 26 cm. Sliding Door Crates are available in a single width, 78 cm, and in two depths, 20 and 30 cm. The Crates are compatible with all String® System grid and plexiglass mountings. It's visually pleasing to add a bolder element to your shelf, such as a Crate, which also gives you extra storage space. The Crate consists of a centrally-placed divider and two adjustable interior shelves. The inside dimensions of the Crate are 4 cm smallerthan the outside dimensions. Crates are supplied unassembled.