Retaining Ring Internal 0.015 in Thk PK50 System of Measurement Inch Location Style Internal Thickness 0.015 in Fits Shaft Diameter Not Applicable For Bore Diameter 1 in Free Inside Diameter 0.75 in Free Outside Diameter 1.002 in Material Steel Finish Plain Material Grade/Class Grade 1060/Grade 1090 Ring Type Self-Locking Retaining Ring Pack Size Small Pack Manufacturer Location Globally Sourced Ring Sub-Type Tooth-Locking Package Quantity 50