IS-1 depth brace extended ET747 UM packed, insertion depth: 747 mm, material/surface: sheet steel, powder-coated, extension kit for item no. 504001010, additional module for mounting the IS-1 depth brace ET547 UM on racks with an insertion depth of 747 mm, consisting of:, 4 insertion braces, 4 hanging plates (with hole pattern as 504001010), fastening material, delivery condition: packed