so it doesn't show graphite smudging the way a white eraser eventually does

The Molotow ONE4ALL 627HS markers refillable and the nib can also be changed

StyleFiles fineliners are filled with a black quick-drying pigment ink

and pencil

Molotow AQUA Ink Pump Softliner is filled with water-based ink that is easily controlled by pumping the nib into the top of the cap

tombow mono x small plastic eraser Begr so it doesn't show graphiteThis is the smallest eraser in Tombow's MONO plastic eraser range, sized for a pencil pouch or a tight planner slot rather than a desk drawer. The soft PVC compound lifts graphite by rolling into crumbs rather than scraping the page, so it doesn't tear paper fibers or leave a shadow behind, and the smaller size makes it easier to work into dense layouts without erasing nearby ink lines or color blocks by accident. Specifications Composition: non