Coops Bowsmith Spine Tester Pro

Take your arrow building to the next level with this advanced spine tester perfect 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.