Steckregale Regalsystem 3000 The frames are 2.967 m high. The depth of an assembled shelf unit is 0.5 m. The shelves are 0.49 m deep and 0.99 m wide. Two frames with shelves in between would create a single shelf unit. Four frames with three sets of shelves in between would create a triple shelf unit. We have 48 frames, 336 shelves, and 16 springs (the X on the back provides stability) available.