Callaway Apex Pro 21 Single Irons · Right handed · Regular · 4 Iron · Steel
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- Returnable
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Callaway‚ Apex Pro 21 Irons are designed for the advanced player demanding speed and forgiveness with an iron that draws on innovative Artificial Intelligence (A.I.) face structures within a forged hollow-body construction. Matching feel and player-approved shaping with raw power, the Apex Pro 21 Irons solicit profound control over shot shapes and launch to work the ball to any target.
Key Features:
- A.I. Flash Face Cup - Unique Artificial Intelligence (A.I.)-optimized Flash Face Cup Technology specifically designed in each iron creates high COR ratings for improved spin robustness and ball speeds.
- Ultimate Forged Feel - Each iron is built with a forged 1025 hollow-body construction and inserted with urethane-microsphere technology to enhance the sound and feel.
- Tungsten Energy Core - Implemented for the first time in the Apex Pro, the iron‚ hollow-body construction allows for the insertion of a powerful energy core to accelerate launch conditions while simultaneously improving forgiveness.





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Distance, consistency, and workability. Compact head allows for fast ball speeds and increased distance.

AI designed Flash Face Cup for fast ball speeds and improved spin consistency. Forged hollow body construction with urethane microspheres for exceptional sound and feel at impact. The hollow body construction includes up to 90 grams of tungsten precisely located to improve launch consistency and forgiveness.

Players looking for a clean top line, with consistent distance control and workability.

Working shots, controlling trajectory, and precise distance control.