| 摘要 |
A golf club head ( 20 ) having a body ( 22 ) with a front wall ( 30 ) with an opening ( 32 ) and a striking plate insert ( 40 ) is disclosed herein. The striking plate insert ( 40 ) has a substrate base layer ( 40 a) and a second layer ( 40 b). The second layer ( 40 b) is preferably composed of a nickel-iron alloy material. The golf club head ( 20 ) preferably has a volume between 200 cubic centimeters and 600 cubic centimeters. The golf club head ( 20 ) preferably has a mass between 140 grams and 215 grams.
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