I use the pipettes for mixing very small amounts of touchup paint. The syringes can be used many times over and once you get a few models under your belt, you know exactly how much paint/thinner to mix. The 1ml syringes are into 10 sections which are again divided. I'm a 1:1 mixer so when I just painted my one colour camo Fw190, I used the 6 mark for both thinner and then paint. If more is needed add small exact amounts. Any left overs I use to practice mottles, squiggles and free-hand. I just flush out and wipe with water for cleanup