No more using confusing conversion charts, or trying to figure out just which line the needle is really pointing to. With the Bearpaw electronic spine tester you'll always know the exact spine of your arrows. The electronic load-cell quickly and accurately measures arrow deflection and displays the result on an easy to read LCD display. You can adjust the readout for either pounds, or actual deflection and 26" or 28" centers. This spine tester is quick and esy to use. It's the ONLY spine tester you'll ever need.
