Never worry about your favorite pens running out of ink with the DA-R-Refill Rollerball ink refills. Available in blue or black ink and are compatible with any Rollerball pen using an R-Refill cartridge refill.

• Size: 4.25" x .15"
• Ink Color: Blue

Never worry about your favorite promotional pens running out of ink with the DA-PARKER ink refills. Available in blue or black ink,and are compatible with any ballpoint pen using a Parker refill.

• Size: 3.75" L x .15" W
• Ink Color: Blue