Arc Cardinal FL012 Mason Jar Lids 2-7/8″ Dia. Round are specifically engineered to cater to the nuanced needs of diverse market segments within the food and beverage industry. These metal lids are meticulously designed to fit precisely with mason jar models FK203 and FK206, ensuring a seamless compatibility that enhances operational efficiency. Their round structure, with a diameter of 2-7/8 inches, provides a snug fit that promotes the preservation of contents, making them an indispensable tool for canning and storage applications. The robust metal construction of these Arcoroc lids guarantees durability, offering a reliable sealing solution that withstands the demands of commercial environments. Each pack contains one dozen lids, providing ample supply for both small-scale and larger operations. These precise specifications make Arc Cardinal FL012 Mason Jar Lids a versatile choice, whether utilized in artisanal craft food preparations, large-scale food processing, or restaurant settings where consistency and quality are paramount. Their compatibility with established jar models and sturdy build illustrate their function as a critical component within supply chains, ensuring products remain fresh and secure. This positions them as a valuable asset across different industry segments seeking dependable and efficient sealing solutions.