OK, so I don't get a lot of Head racquets to string. A local shop was behind the 8 ball and asked if I could string some for them. They gave me 8 demos, 7 Head and one Wilson (Blade 16X19). I strung the 16X19 Head Graphene Speed MP first. Well, about to the end of it I noticed something didn't look right. Then I started looking and damned if it didn't have shared grommets. You will need an awl. The Wilson Blade 16X19 looked cool, BTW.