Snap Button Snap Button Type Double End Width 0.44 in Thickness 0.02 in Gauge 0.02 ga Head Height 0.37 in Head Diameter 5/16 in Material Steel Material Grade/Class C-1050 Finish Zinc Plated Maximum Tubing Inside Diameter 1.12 in Minimum Tubing Inside Diameter 0.82 in Product Type Snap Buttons System of Measurement Inch Material Quality Standards ASTM A684 Manufacturer Location Made in USA Package Quantity 5