Cotter Pin System of Measurement Inch Pin Diameter 1/8 in Pin Type Extended Prong Material Steel Material Grade/Class Ungraded Finish Zinc Plated Usable Length 1/2 in Product Type Cotter Pin Shank Length 1/2 in Manufacturer Location Made in USA Standards ANSI B18.8.1 ASME B18.8.1 Package Quantity 1000