Srixon took a material made for car engines to strengthed the face of its new irons

Srixon is joining the game with its Z 545, which has a face insert made of a SUP10 steel, a material developed for automobile engines that's 10-percent stronger than traditional 17-4 steel.

The long and middle irons also make use of tungsten in the toe to position the center of gravity more in line with the center of the face.

The Z 545 ($1,000) will be available in November.

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