LEORX 1.6 Inch Antique Brass Push Pins Round Large Head Nails - 20pcs Pack of 20pcs round nails, to use these to tack memos on a cork board for easy reminder of your to do list. Color: antique brass. Material: durable iron. Round head diameter:1.6 inch; Point length:1.1 inch. To tack memos on a cork board for easy reminder of your to do list. Perfect to secure paper items or photos onto the the cork board with out causing any damage.