Metric Self-Locking Ring System of Measurement Metric Location Style External Thickness 1.2 mm Fits Shaft Diameter 10 mm For Bore Diameter Not Applicable Fits Groove Diameter Not Applicable Fits Groove Depth Not Applicable Free Inside Diameter 9.65 mm Free Outside Diameter Not Applicable Clearance Diameter 19.6 mm Material Spring Steel Material Grade/Class 1060-1090 Tensile Strength Not Applicable Ring Type Self-Locking Friction Ring Package Quantity 25