CHEAP Bright Mild Steel Round Bar Solid Metal Rod Ø5 - 50mm Extra Hard Cylinder
The light shaft is plated on both ends of the whole strip (2m or 3m) clamping, so the top two ends may have a plating layer that is too thin, blackened, etc. ◪ Surface finish： 0.3-0.5. ◪ Material : 45# steel.