Metric C-Style Ring System of Measurement Metric Location Style External Thickness 1 mm Fits Shaft Diameter 12 mm Fits Groove Diameter 10.9 mm Fits Groove Width 1.1 mm Fits Groove Depth 0.55 mm Free Inside Diameter 10.55 mm Free Outside Diameter 14.4 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