Callaway Golf X Series Jaws Chrome S300 Wedge Mack Daddy Grooves Aggressively-sized at the maximum conforming depth and width, these grooves provide maximum shot-stopping spin and control. C-Grind Sole This popular design on Tour relieves the heel, toe and trailing edge, resulting in a C shape on the sole. The shape, plus a tighter heel-toe radius and proper bounce Forged 1020 Carbon Steel Construction Provides soft feel and better feedback around the greens. The Triple Net Forging process produces incredible consistency in construction. (12 GR 85ST) 52-12 Finish and Shaft Options Each wedge is available in either the Soft Milky Chrome or Dark Vintage finish, as well as steel or graphite shafts. Mack Daddy Grooves are aggressively-sized at the maximum conforming depth and width for maximum shot-stopping spin and control.