The term PRO SHOP SET is a set of golf clubs, specifically IRONS. IRONS are a type of club used in the sport of golf to hit the ball from the teeing ground to the green. They are typically made of metal and have a flat face that helps to create a more consistent shot. The set usually includes five to seven clubs, each with a different loft angle and length. The PRO SHOP SET is designed for experienced golfers who need a reliable set of clubs to help them improve their game.