You are buying 4 Challenge Letterpress 2-3/4"Quoins. There actually is several groups of 4 quoins, but you are buying 1 group of 4 quoins. Each quoin is 2 wedges. These are in real good used condition, even though they have been around many years. I no longer have a Quoin Key. Contact Ken for additional information at Five seven three - 864 - Two five four seven.