Callaway OPUS Platinum Chrome WedgesSPIN GEN FACE TECHNOLOGY FOR TOUR LEVEL SPIN Spin Gen Face Technology provides spin and control in your wedges by combining 3 key elements on the face; an all new tighter pitch which puts more grooves on the face, offset groove in groove for spin when opening the face, and a new aggressive face blast providing spin and bite on partial shots. These three elements work in conjunction to provide a crisp, tour level spin. Bonded Tungsten for a Lower, More