Pentel Hi-Polymer Eraser
This good all-purpose eraser does what you think it will do. It erases pencil lines! Cheap, easy to find, and reliable - go to this Pentel Hi-Polymer eraser for your go-to erasing needs!
Warning! Results may vary depending on pen and paper (if you're erasing pencil from under pen.) This can wipe some ink away - for example, it'll take some Sakura Pigment ink with it.