Metric C-Style Ring System of Measurement Metric Location Style External Thickness 1 mm Fits Shaft Diameter 11 mm Fits Groove Diameter 10 mm Fits Groove Width 1.1 mm Fits Groove Depth 0.5 mm Free Inside Diameter 9.65 mm Free Outside Diameter 13.2 mm Material Stainless Steel Finish Plain Material Grade/Class Not Graded Ring Type C-Style External Ring Thickness Tolerance +0.000/-0.060 mm Standards REACH Compliant RoHS Compliant Groove Diameter Tolerance -0.11mm