I bought this as a spare for my previous boat that was sold. I just found it and don't need it. This is actual mercury marine belt, not the cheap and thin aftermarket belts. Please ensure this belt will fit your application before ordering.  I had it for a 350 Mercruiser crate engine.

Check on mercury parts web at:  

https://public-mercurymarine.sysonline.com/Default.aspx?sysname=NorthAmerica&company=Guest&NA_KEY=NA_KEY_VALUE&langIF=eng&langDB=eng