V Ring M 1308 / JV, M 1408 / AVV ring for Bores / Shaft.Size: JV 12 ~ JV 100, AV 10 ~ AV 100.Material: Carbon spring steel Mn65 / C67S / C70.Stainless Steel ANSI 420, 304.Surface Finish: Black Phosphating, Black Oxide.Size, thickness, style or other specifications can be designed according to your demand.