Explain Directional Arrows and Proper Use

So show you the tip and kind of some things about it it tells you on it says 615 215 so you can easily read on the two sizes on there There is kind of a little arrow a white arrow on it That's actually telling you the direction that the 2 15 spray so opposite side will be the size the arrow is going to be saying it's spraying that direction Just like the 615 has an arrow tells you what direction it's spraying So when you put the tip into the guard if I want the 2 15 I'm just going to turn the 2 15. It's going to have the arrow pointing that direction I know my 2 15 is spraying that direction right there the 615. I know it's ran that direction because the arrow is