Prismacolor

I'm a high school English teacher, and I use a 2 MM lead holder, as my preferred method, when using a pencil. I bought these leads to help with an issue that's just part of teaching: making copies isn't something you can do every day, and when a student needs a copy of an assignment to complete work, your last "clean copy"--without writing--goes to the kid and not into your files, to make more for the future. After using these leads for about a month, my "teacher copy" of assignments--with all of MY writing, notes and ideas--now becomes my "clean copy." It saves me time, and it keeps me from jockeying with another reality of school: sharing a printer to produce another "clean copy"!

Additionally: The leads erase pretty cleanly, w...