Blackwing Pencil Box of 12

Blackwings have always been known for their iconic, replaceable, square erasers. To replace your eraser, slide the eraser and clip out of the ferrule, remove the clip from the old eraser, place the new eraser into the clip, and insert the new eraser and clip into the ferrule.

Replacement erasers come in sets of 10

Replacement eraser colors;
Black Pencil = Black Eraser
Grey/Gunmetal Pencil = Pink Eraser
Pink Pencil = Blue Eraser
White Pencil = White Eraser