A 24-inch ruler is a measuring tool commonly used in various fields such as education, construction, and crafting. It typically features a straight edge marked with measurements in inches, allowing users to accurately measure lengths up to two feet. Many rulers are made of materials like plastic, wood, or metal, providing durability and ease of use. This ruler often includes additional features, such as a built-in level or a conversion chart for metric measurements. It is an essential tool for students, teachers, and professionals who require precise measurements in their work, making it a staple in classrooms and workshops alike.