Red, 4 oz. Can, Brush In Cap - Dykem Layout Fluid (1 Each)

What color wiuld be better on brass?

Is it good for valve jobs

So if I dipped twist bits in this would the dye hold up in the flutes ? I'm only using the bits in wood. Other thoughts to dye twist bits ?

is this the same as the blue just a different color or are they made for different applications? also are they ok for stainless steel ? will it com