Can’t remember exactly when, but within this year for sure lol.
Found this on Amazon 1 pencil ,1 dozen
https://www.amazon.com/Pentel-Twist-Erase-Mechanical-Pencil-Turquois/dp/B01NAXG9LC/ref=asc\_df\_B01NAXG9LC/?tag=hyprod-20&linkCode=df0&hvadid=242028616729&hvpos=&hvnetw=g&hvrand=8826795745389031370&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9012431&hvtargid=pla-487938605503&psc=1
I bought mine about 5 years ago at the time when they were new. Here is the link to it.
https://www.amazon.com/Pentel-Twist-Erase-Mechanical-Pencil-Turquois/dp/B01NAXG9LC/ref=sr\_1\_36?keywords=pentel+mechanical+pencil&qid=1664725846&qu=eyJxc2MiOiI2LjIyIiwicXNhIjoiNS44MCIsInFzcCI6IjUuNjAifQ%3D%3D&s=office-products&sprefix=pentel+me%2Coffice-products%2C174&sr=1-36
https://www.amazon.com/Pentel-Twist-Erase-Mechanical-Pencil-Turquois/dp/B01NAXG9LC/ref=asc_df_B01NAXG9LC/?tag=hyprod-20&linkCode=df0&hvadid=242028616729&hvpos=&hvnetw=g&hvrand=8826795745389031370&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9012431&hvtargid=pla-487938605503&psc=1