Acme Studio Eraser Refill for Acme Studio 4multifunction pens, available here.
Acme Studio Eraser Refill
These pencil erasers are now available in an attractive package that protects them. These durable, hearty erasers come in white and will last a long time! Acme Studio pencil eraser refill in white color removes lead easily as well as cleanly with very little pressure; usable for office, also for school, sold as 6 per pack.