Ace Archery Tackle Spine-Spin Tester (Model 107)

• Can be used on wood, aluminum, or carbon arrow shafts
• Extremely accurate measurements
• Allows you to check the spine of your arrows for consistency
• Allows you to spin test arrows for perfect arrow straightness and broadhead alignment
• Measures spine from 25 to 200 pounds
• Measures deflection from .150 to 1.000 inches