Some mechanical pencils have an eraser on the end, and as mechanical pencils are refillable they last a very long time, and the eraser will run out. Well below you will find all sorts of replacement erasers from many different brands. We recommend checking the product description for more information on which pencils these fit.
Pilot Birdie Eraser Refill (Pack of 5)
A pack of five eraser refills and two cleaning pins for the Pilot Birdie mechanical pencil.