Metrick Inverted Internal Ring System of Measurement Metric Location Style Internal Thickness 1.2 mm Fits Shaft Diameter Not Applicable For Bore Diameter 24 mm Fits Groove Diameter 25.2 mm Fits Groove Width 1.3 mm Fits Groove Depth 0.6 mm Free Inside Diameter Not Applicable Free Outside Diameter 25.9 mm Clearance Diameter Not Applicable Material Steel Material Grade/Class Not Graded Tensile Strength Not Applicable Ring Type Inverted Internal Ring Clearance Diameter Type Free OD