Cotter Pin System of Measurement Inch Pin Diameter 5/16 in Pin Type Hammerlock Material Steel Material Grade/Class Ungraded Finish Zinc Plated Usable Length 6 in Product Type Cotter Pin Shank Length 6 in Fits Maximum Shaft Diameter Not Applicable Fits Minimum Shaft Diameter 11/32 in Manufacturer Location Globally Sourced Standards ASME B18.8.1 Pack Size Small Pack Package Quantity 10