Diadic Wedge1990

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• "Dyadic" means being part of a group of two. On the original 588 53-degree wedge, Diadic was used as an indication and reminder for players to play a "Dual" or "Gap" wedge in addition to simply playing a sand wedge. This was the first major gap wedge and introduced golfers to the scoring benefits of tightening yardage gaps between wedges and short irons.