Like, both 0.7 and 0.5 mm are the same exact designs, but the print disappears over time.2

Great mechanical pencils in my preferred 0.7mm...stylish design and love the twist eraser

I kept buying new ones because of its sleek design--then one day I had seven, and I kept pulling out a new pencil from my pack and each one didn't work

The sleek, minimalistic design certainly catches an eye

either Diane's for its planned obsolescence or b) is a truly stupid product designed by stupid people.