This is a Signature 10 1/2 X 15 Semi Cleaver for 25-30 mHP Tohatsu Outboards.    It has a removable  hub kit.  Comes with a Hub Kit   The best prop I ever made for small motor, pleasure and race...    Hill Marine's Part Number:  PH15R3L-122.

With a 118 hub kit this prop works well on a 20-35 Evinrude.

With a 120 Hub kit, this props works well on  an 18-25 Mercury.  With a 121 Hub Kit, this prop works well on a 25-30 Suzuki.  With a 123 Hub Kit, it works real weel on a 20-30 Yamaha.