Rect. diagonal for 0.35 x 0.7m rectangle, 2 oblong holes, steel, powder-coated.Rect. diagonal for 0. 35 x 0. 7m rectangle, 2 oblong holes, steel, powder coated. Material: steel (powder coated). The Lenz range of grid stands consists of standardised components such as round bars and rectangular diagonals that can be connected in a wide variety of ways with ball joints and disc joints to form stable grid stand constructions. Foot plates, swivel castors and flat flange brackets are also available as options. For secure fastening of