Sharp metal edges damage the insulation of lines and professional cables, particularly when there are vibrations or when cables are drawn in. Up till now, these edges have been unprotected or provided with edge protection sold by the metre with the material being cut to size and pressed in. In application, this solution is unstable and not permanent. „Lateral edge protection” solves this problem for all PFLITSCH installation trunking: PIK 30/30 to PIK 200/60.