Retaining Ring,External,0.035 In. Thk,PK100, System of Measurement Inch, Location Style External, Thickness 0.035 in, Fits Shaft Diameter 1/2 in, For Bore Diameter Not Applicable, Fits Groove Diameter 0.468 in, Fits Groove Width 0.039 in, Fits Groove Depth 0.016 in, Free Inside Diameter 0.461 in, Clearance Diameter 0.77 in, Material Steel, Finish Zinc Plated, Material Grade/Class Ungraded, Tensile Strength 120,000 psi, Ring Type External Retaining Ring, Clearance Diameter Type Expanded