The Ai-Dual Jailbird Mini 1/2 Ball putter uses an Ai-Dual insert and a deeper, more aggressive Frd Groove with a 19 degree slope to enhance forward roll across the face. Its SL 90 shaft adds stability, while the 1/2 ball alignment aid frames the ball to h

Details The Ai-Dual Jailbird Mini 1/2 Ball putter uses an Ai-Dual insert and a deeper, more aggressive Frd Groove with a 19 degree slope to enhance forward roll across the face. Its SL 90 shaft adds stability, while the 1/2 ball alignment aid frames the ball to help center impact and improve aim in a compact Jailbird profile.