Odyssey Black Series i #1 Putter Multi-material construction through the use of 1025 carbon steel body and weighted tungsten flange create a low, deep CG to promote true roll. Head weight optimization maximizes consistency and distance control, enhances feel and provides better roll characteristics. Tour insert is constructed of an elastomer core that enhances feel and a thin, firm outer striking surface infused with urethane for fine-tuned responsiveness. Precision milled head with rich, nickel-plated finish creates optimal balance weighting for a smooth stroke and amazing accuracy. Hogged-Out Hosel allows weight to be redistributed to the the tungsten flange for a lower, deeper CG and better roll.