The DayMark Date Coder Ink Roller, Black, is a roller replacement for the 111164 DM4 and 111163 DM3 Speedymark Express Marking Gun. Maintain an inventory of replacement date coder ink rollers to reduce downtime when the ink fades. The ink rollers can be quickly replaced in the coder. Ink rollers are sold in packages of 5. A general guideline for replacing ink rollers is 25,000 labels. DayMark Safety Systems is located in Bowling Green, Ohio, and is a leader in personal, facility and food safety systems. Founded in 1989, DayMark specializes in products that assist restaurants and other food service establishments in complying with FDA and other compliance codes. DayMark Food Safety products are being used in food establishment locations in the United States and worldwide.