Feature●Material: SPCC trivalent unichrome plated t0.5 x width 0.4 x length 1.0 x hole 0.16 inches (0.5 x 10.0 x 27.0 x 4.1 mm)●Compatible Screws: M3.5 - M4.0●Use iron screws●Do not use dish screwsDescription Easy to install with a single screw to secure cable wiring etc. Saves space and provides stable support for a long time.