1) Can also be supplied with
welded-on plates 250 x 20 mm or 150 x 20 mm. Weld seam type:
external, continuous, Weld seam thickness: min. a = 5 mm
2) Excl. internal surface of free interlocks
3) Incl. steel surface. The outlined area is the straight-line
contour around all external, protruding edges.