These guidelines are not intended to be and should not be treated as a comprehensive statement of precedent or of the Serviceâs legal position on the issues herein presented. The information in this IRM is also written to provide guidelines for prohibited transactions and: Computation of applicable excise taxes.
Both companies manufacture quart jars. Standard mouth Kerr quart jars are 4 inches in diameter and 6.9 inches tall. A case of 12 has a shipping weight of 12 lbs. Wide-mouth Kerr quart jars are 3.9 inches in diameter and 6.6 inches tall. A case of 12 has a dry weight of 14 lbs. Standard mouth Ball quart jars have a 3.5-inch diameter and a 6.9-inch height. A case of 12 has a weight of 13 lbs.
Mason Jar Specifications. Landi Mason patented Mason jars in Philadelphia in 1858. His jars had screwed-on lids and were designed to make food storage safer by creating an airtight seal. The jars are mass produced and intended for home canning use, though people also use them in craft projects.