Shaft Flex: Stiff Flex. Used Mizuno MP-20 HMB 4 Iron / 22.0 Degrees / Stiff Flex. Used Mizuno MX-19 4 Iron / 20.0 Degrees / Regular Flex. Used Mizuno Pro S-3 4 Iron / X-Stiff Flex. Used Mizuno MP-18 SC 4 Iron / 24.0 Degrees / X-Stiff Flex.
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