The MACHINE M1A BIG BORE Putters begin with proven, traditional designs, and are improved with precision CNC milling, our patent pending VMG face mill pattern, and significantly broadened with new hosel, fit and finish options to suit individual performance needs and tastes. The BIG BORE incorporates EXAGGERATED Forms in the heel and toe weights. The OVERSIZE weights also provide help with alignment when standing over a putt. From material choice of the head, to weight adjustability, to platings, coating, custom grinds and finishes, options in modular hosels, to alignment indicator options, the M1A BIG BORE model line gives you the options you need to make your perfect custom MACHINE putter.