... 2.Satin finish or Mirror finish.3.Stainless Steel Small Fairlead Anchor Roller,,marine hardwareDetails1. Casting: investment casting ... Passivating, grinding, polishing6. Analysis wet chemically or by x-ray spectrometer. 3-coorcdinate. Computerised numerical. Control measuring ,machining ... . ,yield stress ,notched bar impact tenacity, x-ray,metallograph.7. Quality control: According to ISO 9001 ...