Safety Pin System of Measurement Inch Wire Diameter 0.177 in Shank Length 4 51/64 in Pin Diameter 3/4 in Pin Type Snap Material Steel Material Grade/Class Ungraded Finish Zinc Plated Outside Diameter Tolerance +0.741/-0.746 in Shank Length Tolerance +0.125/-0.000 in Usable Length 4 in Product Type Safety Pin Wire Shape Square Manufacturer Location Globally Sourced