Cable raceway / duct with removable fingers . This item can be mounted to a surface with screws.

High impact, rigid vinyl - won’t peel, chip or crack; resists oils, grease, salt solutions, most mildly concentrated acids, fungus; nonflammable, warp-proof, non-brittle; high dielectric and will withstand temperatures to 150°F / 65°C
Flammability: Self extinguishing UL94V-0. Maintains dimensional stability under heat
Includes Base and Cover, sold in 2 meter lengths

Dimension : 1-1/2" x 1-1/2"
Color : Gray