WHAT IT DOES: The legendary two-part urethane insert in this line continues to be very popular with tour players. They even ask Odyssey to incorporate it into Odyssey putters for which the insert wasn’t originally intended. Who can blame them. The urethane insert’s unique combination of soft feel and resilient ball speed has proven to be effective and was inspired by the ingredients in Callaway’s early golf balls. Makes sense: If you want putter and ball to flow as one, why not make them two versions of the same thing? 

WHY WE LIKE IT: The insert not only performs great on center hits, it is resilient and consistent across the face. Gently used original White Hot putters can be found online for about $30, but the precision milling makes these updates more alluring. Read more>>