E Style Retaining Ring 1.2 mm Thk PK100 System of Measurement Metric Location Style External Thickness 1.2 mm Fits Shaft Diameter 11 mm For Bore Diameter Not Applicable Fits Groove Diameter 10 mm Fits Groove Width 1.25 mm Fits Groove Depth - Free Outside Diameter 19.7 mm Clearance Diameter 20.4 mm Material Steel Finish Black Phosphate Material Grade/Class Ungraded Tensile Strength 150 000 psi Ring Type E-Style Retaining Ring Manufacturer Location Made in USA