1123033 is a part of Lapp Kabel, a German manufacturer and supplier of cables, cable accessories, and related products. The 1123033 part is specifically a type of shielded sleeving, which is used to protect wires and cables from abrasion and interference. This product is suitable for automotive, machine tool, and motion and power control applications. It is a standard, cut and abrasion-resistant PET sleeve, consisting of expandable monofilament braiding. It comes in different sizes, lengths, and colors to meet various needs, and can be used with or without additional heat shrink tubing.