Odyssey Tank Cruiser #7 Mallet Golf Putter Adjustable Balance Design: Adjustable head weights (365g, 375g, 385g) and counterbalance weights (5g, 15g, 30g) to find your most consistent stroke New White Hot Insert: Highly engineered for consistent sound, feel and performance across the striking surface New 15" SuperStroke: Grip A new longer version of the SuperStroke Grip, the fastest growing grip on Tour