Pros and those aspiring to play like them want to have confidence that their irons will fly with exact trajectory and distance each time. DG Pro is the industry’s first progressive iron shaft. With Progressive Technology, everything about DG Pro is progressive -- the flex profile, step pattern, weight profile, and internal material distribution. This allows True Temper to tailor the specific playing characteristic of the long, short , and mid irons for optimum feel, spin control and trajectory and ultimately confidence-inspiring performance. Features The industries first progressive iron shaft. With Progressive Technology, everything about DG Pro is progressive – the flex profile, step pattern, weight profile, and internal material distribution. DG Pro’s playing characteristics are tailored to the long, short and mid irons for optimum feel, spin control and trajectory. Variable trajectory design means the long irons produce maximum trajectory, mid-irons produced a balanced trajectory and distance control and the short irons yield a piercing trajectory. Trimming Instructions