Nice packaging. It's a little hard to tell from the pictures so let me explain what exactly is here for the novice like me wondering what each tip is good for. I'm a beginner solderer working with pre-PCBs and basic electronics like noise generators, Arduino/Rasberry Pi etc. I am also trying my hand at some electrical work. T18-D08 - 0.8 x 14.5mm: Ideal for working with small pens under magnification. If you've ever had a problem with a tip that's too big and you can't slide it between the pinโฆ