Mizuno Pro FLI HI Golf Iron (4 iron), Right Hand, Graphite Shaft, Stiff Flex
- Harmonic Impact Technology: Fine tuned head geometry delivers ideal impact feel and feedback.
- Hybrid Muscle Back: A high performance hollow body hybrid structure is formed by utilizing a Grain Flow Forged Chromoly Face and neck part, fused to multi-material body.
- Multi-Material Construction: Strategically positioned exotic materials to help optimize launch and forgiveness.
- Hollow Body Construction: Achieves optimized weighting through multi-piece construction.
- MAS1C Maraging Face: Delivers greater energy transfer and faster ball speeds across the clubface.