KOZEL-10 Extrusion for decorative lighting. In order to protect the lighting fixture during installation, a TECH-10 protective insert should be used smooth transition from a recessed into a suspended fixture. Standard lengths of KLUS profiles and covers: 1000 mm (tolerance ± 1.5 mm) and 2005 mm/3010 mm (tolerance + 5 mm); for selected covers: 6050 mm, 10050 mm (tolerance + 5 mm) when choosing a different length of profiles/covers than available in the standard, you should additionally choose the cutting service at KLUS.