Cotter Pin System of Measurement Inch Pin Diameter 3/8 in Pin Type Extended Prong Material Steel Material Grade/Class 1008 Finish Plain Usable Length 3 1/2 in Product Type Cotter Pin Shank Length 3 1/2 in Fits Maximum Shaft Diameter Not Applicable Fits Minimum Shaft Diameter Not Applicable Manufacturer Location Globally Sourced Standards ASME B18.8.1 Package Quantity 25