Victor Vally 3Pcs Everlasting Inkless Pencils Portable Reusable and Erasable Metal Writing Pens Replaceable Graphite Nib Triangle Golf Stationary Set (Multicolour)

This is a unlimited pencil without need to sharpen or replace refill and no ink, because the nib is made of alloy, the nib rubs on paper to decompose alloy metal molecules and leave them on the surface of the paper. Can be applied to notebook writing pads, stone paper, kraft paper, and most paper, and the handwriting can be retained for a long time.