Features Hairpin Cotter Pins are also known as bridge pins or hitch pin clips. For quick assembly and disassembly. Used commonly with clevis pins. Reusable. System of Measurement / Inch Cotter Pin Type / Hairpin Basic Material / Steel Fastener Finish / Zinc Plated Pin Dia. / 1/8 in Fastener Length / 2 1/2 in Fits Shaft Dia. / 5/8 to 7/8 in Meets/Exceeds / ANSI/ASME B 18.8.1 Package Quantity / 25