... , 25.4 , 28 , 31.8 , 33, 35, 36, 38.1 , 40 , 41.8 , 42 , 45, 48 , 50 , 50.8 , 56 , 57 , 60, 63 ... (Ni 3.5%~4.5%)301 (Ni 6%)304 (Ni 8%,Cr 18%)316 (Ni 10%,Cr 18%)316L(Ni10%~14 ... , 400 grit, 320grit , 240 grit, HL, 2B, BAToleranceOuter Diameter: +/- 0.2mmThickness: +/- 0.02mmLength: +/- 5mmSurface180G, 320G, 400G Satin / Hairline400G, 500G, 600G or 800G ...