Snap Button Snap Button Type Single 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 in Minimum Tubing Inside Diameter 0.55 in Product Type Snap Buttons System of Measurement Inch Material Quality Standards ASTM A684 Manufacturer Location Made in USA Package Quantity 10