Coop's Archery Bowsmith Spine Tester Pro

DESCRIPTION

• Take your arrow building to the next level with this adavnced spine tester perefect for any archer or Pro Shop 
• Index your arrows so the spine is on top of the shaft for better consistency and flight
• Allows you to tune your arrows so each one flies the same
• Uses spring tension over dead weight for more consistent and accurate readings
• Makes for easier readings on your shaft
•  Allows you to tune your broadheads with built in arrow spinner