ACME Studio's P8126 Refill. It is packaged in a sealed plastic sleeve.

This refill is compatible with:

• ACME Stylo 33 Retractable rollerball pens

• PACME2RR "Number 2"

• All "Crayon" Pens

• P2AP02R "Fountain"

• P2AO54RR "Ogma"

• P2MAG01R "Cooler"

• All "Phase 3" Pens

• P4BH03 "Ray Gun"

• P4MT01 "Classico"

• P4Z02W "Talisman"

• P2P01R "P2-U"

• P2P02R "P2-C"