These 4 Pack Rings are compatible with all major soda and beer cans. Designed for smooth application, they’re perforated for easy separation and fit perfectly on 12 oz. cans. Use them with our 6- or 8-packer machine or apply manually. Each spool includes 2,000 carriers, ideal for efficient operations. Package your drinks better with 4 Pack Rings. https://www.sixpackrings.com/category/4-Pack-Rings