Stainless steel with a No. 4 finish has short, parallel lines for a linear effect. It is easy to maintain in high-traffic areas such as handrails, work surfaces and where appearance is important.
The finish is attained by mechanically polishing the metal with fine abrasive belts, which usually range from 120 to 320 grit, to remove minimal amounts of metal from the surface without affecting its thickness. The higher the grit, the finer the lines and the more reflective the surface. The higher the grit, the finer the lines and the more reflective the surface.
For Cleaning and maintenance, follow the instructions HERE