Oddsocks
Ryder Cup Winner
Agreed 4 degrees ‘tolerance’ is shocking, but even if the 9i and 8i are the same loft if the 9i club/shaft is shorter as is usual, then it will still fly a bit less far compared to the longer 8i - as club length affects swing speed and therefore distance
As per my response regarding the 9i incorrect loft, there’s was 5-10yards difference between my wedge and 9i which I put down to shaft length with around 25-30 yards difference between my 9i to 8i. Once corrected there was equally around 15 yards difference between every iron.