Retaining Ring,External,0.025 In. Thk,PK100, System of Measurement Inch, Location Style External, Thickness 0.025 in, Fits Shaft Diameter 3/8 in, For Bore Diameter Not Applicable, Fits Groove Diameter 0.352 in, Fits Groove Width 0.029 in, Fits Groove Depth 0.012 in, Free Inside Diameter 0.338 in, Clearance Diameter 0.61 in, Material Steel, Finish Zinc Plated, Material Grade/Class Ungraded, Tensile Strength 120,000 psi, Ring Type External Retaining Ring, Clearance Diameter Type Expanded