The wilson staff infinite putter line includes six classic head shapes with refined detailing each featuring counterbalanced technology for a more controlled putting stroke inspired by the companyrsquos home base in chicago each putter is named after a local landmark or neighborhoodgrant park is a flanged mid mallet design that is heel shafted with a short flow neckcounterbalanced technologycounterbalanced technology in the infinite putter line places additional weight in the head and in