M1 - M2 TM Driver head/shaft adaptor

[weelsfelloff]

Hi, can anyone advise why i 'may' need an adaptor to fit an M1 shaft to my M2 Driver head?
ta.

 

[patricks148]

Hi, can anyone advise why i 'may' need an adaptor to fit an M1 shaft to my M2 Driver head?
ta.

both have the same adapter.