Graphite Design Tour AD GC Golf Shaft Shaft Option:5R1 Regular (52.5g) the precision milling face pattern the precision milling face pattern gives the player a more consistent spin and increased stopping power two piece Pebax elastomer insert consisting of a soft front with PLD inspired shallow grooves and a firmer back to ensure the optimal combination of feel and distance control The new model "TOUR AD GC" is a new generation neutral shaft that incorporates new technology to respond to the recent changes in golfers' swings and physical evolution It suppresses the twisting and crushing of the shaft that occurs during the swing