Key Features of the Titleist 620 CB Irons: Modern cavity back design offers tour-proven trajectory and shot control with pure forged feel Progressive blade lengths with thinner top lines allow for player-preferred shaping and optimized playability Co-forged high-density tungsten in 3- and 4- irons promote explosive ball speed and forgiveness for top-level long iron performance Reduced offset and topline allow for the ultimate player's look, while enhancing workability and shot control Tour-refined sole improves overall performance and turf interaction Boost your performance while playing the Titleist 620 CB Irons. Designed to provide ultimate playability and precision, the one-piece forged cavity back irons deliver a traditional player's look and feel with tour-proven shot control. Progressive blade lengths with thinner top lines allow for incredible shaping and optimized play throughout the round. A co-forged high-density tungsten in the 3- and 4- irons promotes explosive ball speed and forgiveness for top-level long iron performance. Design Details: One-piece forged cavity back that delivers a traditional player's look and feel with tour-proven shot control Muscle-back irons refined based on tour player feedback that provide playability and precision from improved shaping and smooth turf interaction Titleist offers high-performance stock shafts designed with tour-proven ascending mass technology for maximum control Shaft: True Temper Project X LZ Steel Shaft Players' Iron: Smallest, most traditional-looking clubheads; more versatile and less forgiving