PowerTech info:

OSS3R17POM250 - PART #
OSS- NAME OF PROPELLER
3- # of Blades
R- Right Rotation
17- Pitch
P- Polish Finish (SHINY)
OM250- Press-In Rubber Hub fits on a Evinrude Johnson
Diameter- 15 (15 x 17)
E Class Propellers: 115 – 350 HP, 4.75” Gearcase