Brosnan Concept putters feature four different head styles ranging from traditional to modern high-MOI designs. Every style incorporates a soft-feeling face insert with micro-groove technology. The micro-grooves reduce skidding off the face. Brosnan Concept Series putters also include a jumbo grip. The grip helps prevent golfers' wrists from breaking down, which makes creating a pure and fluid putting stroke easier. In addition, the jumbo grip reduces grip pressure and minimizes club head rotation for a softer touch and more pure putting stroke. Face insert with micro-grooves reduces skidding and provides a true roll to the cup. Jumbo grip minimises wrist breakdown for a pure, fluid stroke Classic putter head designs and high-MOI designs offer golfers more style options