"Full Description:\nAll golfers, even the best Tour players in the world, miss the center of face from time to time. And when you lose speed relative to a center hit, the ball doesn't roll as far as you intended, so you miss more putts or leave them farther from the hole. Now in Odyssey Ai-ONE, we've leveraged Callaway's industry-leading Artificial Intelligence design and super-computing capabilities to create the most advanced insert in golf.<br><br>The multi-material construction includes unique contours on the back of the face that minimize ball speed losses on off-center hits, and greatly increase the sweet spot. Our revolutionary Ai-ONE urethane insert delivers more consistent ball speeds, even from off-center hits, leaving putts up to 21% closer to the hole.\n\nFeatures:\n\u003cul>\n\u003cli>Ai-ONE Insert - Designed using Artificial Intelligence, we've created contours on the aluminum backer of the insert to promote consistent ball speed across the face. We’ve co-molded a grooved White Hot urethane layer into that aluminum backer for the classic White Hot feel that Tour players and amateurs love.\u003c/li>\n\u003cli>SL 90 Shaft - A lightweight steel shaft with 20-30 grams (depending on the grip) of counterbalance weight in the butt end. This is an evolution of our Stroke Lab Weighting that will appeal to even more golfers.\u003c/li>\n\u003cli>AI Window - Our designers and engineers developed a Panlite window, which is a unique automotive grade polymer, that allows us to showcase the unique topology of the back of the insert.\u003c/li>\n\u003cli>Interchangeable Front Weights - Available in 5, 10, 15, and 20 grams these removable weights allow you to dial in your head weight to your exact preference. Weight kit sold separately\u003c/li>\n\u003cli>Unique Navy Blue PVD Finish - These putters all feature a beautiful navy blue PVD finish that really sets them apart and gives them a premium look.\u003c/li>\n\u003c/ul>\n\nSpecifications:\n\u003cul>\n\u003cli>Grip - Odyssey Ai-ONE Pistol, Standard\u003c/li>\n\u003cli>Shaft - Odyssey Ai-ONE Steel\u003c/li>\n\u003cli>Head Type - Mid-Mallet\u003c/li>\n\u003cli>Head Weight - 360g\u003c/li>\n\u003cli>Toe Hang - 0°\u003c/li>\n\u003cli>Lie - 70°\u003c/li>\n\u003cli>Loft - 3°\u003c/li>\n\u003c/ul>\n"