A lot of builders use syringes to get epoxy in small amounts accurately into specific places. The problem is that unless you clean the syringe out, you have to dispose of it. These pipettes do the same job at a tenth the cost.
I love your disposable plastic pipettes because they allow one to make micro batches of epoxy! The graduations allow one to measure out tiny amounts. Just enough for a single repair or small task, without wasting a whole pump!