... polish stainless steel or satin stainless steel Four arm spider fitting 200 series, 210series,220series,250series,300seriesone-Arm, ... two-Arms, three-Arms, four-Arms spider fittingMaterial: stainless steel 304, 304L,316, 316LFinish: polish ... ,MirrorWhen you inquiry, please tell me thickness and width of glass.AISI ASTMEN DINC % MaxMn % MaxSi % MaxS % MaxP % MaxCr % ...