A spine can be visualized as a longitudinal line or plane on a golf shaft that is more resistant to bending than any other line or plane. By locating the spine it can be placed in a predetermined position. Every clubmaker has their own preferred positioning, we use 9 o'clock. The goal is to facilitate repeatability via a stable plane.

At Diamond Tour Golf we strive to provide our customers with the best product possible. Along with quality products and modern assembly techniques the processes of frequency matching and spine aligning help achieve that end. Frequency matching insures that all shafts in the set have the same CPM/flex rating. Spine alignment places that variable in a neutral position. This gives the player a set of clubs that will be consistent throughout the set and feel the same through the swing.

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