Clip Rail - Picture Hanging System
Wall system. Conceals fittings & anchors. Used with transparent perlon cords or steel cables to suspend pictures. Its the most elegent, the most easy to install and the least expensive. Which may explain why its by far the most popular picture hanging system.
Aluminium Profile 25 x 8.5 mm (1 x 0.3 inch).
FULL Installation Guide (.PDF)
Dimensions (mm): (A) 8.5, (B) 25, (C) 10, (D) 4