One set: 4,5,6,7,8,9,A,S,P , same size for iron club. Material: high quality synthetic leather, durable and water resistance. Easy on easy off: sock opening - slip them on and off, no anything else to mess with or break. Clear Identification: No.on front and side side, suitable for both left-handed and right-handed players. Protection: protect your clubs when traveling. It is easy to keep your clubs organized and protected. They help protect your clubs during transit, preventing them from getting scratched or damaged during the journey. Craftsman Golf 9pcs/set Iron Headcover Set Sock Opening