Callaway Quantum drivers introduce multi-material speed

Callaway Quantum Max and TD drivers.

The New Quantum Max and Quantum Triple Diamond drivers.

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Jack Hirsh
Golf.com Editor

Jack Hirsh is the Associate Equipment Editor at GOLF. A Pennsylvania native, Jack is a 2020 graduate of Penn State University, earning degrees in broadcast journalism and political science. He was captain of his high school golf team and recently returned to the program to serve as head coach. Jack also still *tries* to remain competitive in local amateurs. Before joining GOLF, Jack spent two years working at a TV station in Bend, Oregon, primarily as a Multimedia Journalist/reporter, but also producing, anchoring and even presenting the weather. He can be reached at jack.hirsh@golf.com.

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