For use with wood, aluminum and carbon shafts. Built to last a lifetime, easy to use and accurate.
- Match your arrows to your bow for consistent accuracy
- Measures spine from 25 to 200 pounds
- Measures deflection from .150 to 1.000 inches
- AMO standard 2 pounds at 26 inches
- 1.94 pounds at 28 inches for aluminum and carbon shafts
- Adjusts easily for different size shafts
- Spin test your arrows to check straightness
- Steel, Brass and Aluminum Construction
- Accurate, permanent calibration