the front surface is steel, stainless steel, aluminum. the back surface is light gray, smooth, very fine, with light and soft refl

abstract alloy aluminum background backgrounds both bright brightly brushed chrome clean closeup color design detail edges fine front glossy gray grey grinder grinding high highlight horizontal illustration image industrial iron isolated light line macro made material metal metallic panel pattern patterns people plane plate polished quality refl reflection reflections rows sheet shiny sides silver smooth soft square stainless steel surface technology template texture textured through wall wallpaper