Callaway Golf Men's Apex CF16 Irons Set Distance with playability: this is our first Face cup in a forged players iron. We've taken our industry-leading cup 360 technology that's redefined ball speed in fairway Woods and irons, and precision engineering in a forged apex design Scoring performance through the set: the progressive Offset, sole widths, cg height and notch weighting provide the right balance of ball flight, playability, forgiveness and Control for each iron Multi-piece construction: this high Tech construction goes through the whole set to create a remarkable combination of distance, feel and Control for any player Extremely soft feel from advanced forging: we applied an extremely precise quadruple net forging, precision milling, and 1025 mild carbon steel to produce a new standard for incredibly soft feel in a forged iron