Metric Self-Locking Ring System of Measurement Metric Location Style External Thickness 1.75 mm Fits Shaft Diameter 17 mm For Bore Diameter Not Applicable Fits Groove Diameter Not Applicable Fits Groove Depth Not Applicable Free Inside Diameter 16.35 mm Free Outside Diameter Not Applicable Clearance Diameter 29.5 mm Material Spring Steel Material Grade/Class 1060-1090 Tensile Strength Not Applicable Ring Type Self-Locking Friction Ring Package Quantity 5