Starrett 20-24 Master Precision Square Blade - 24-Inch

The Starrett 20-24 Master Precision Square is a professional-grade, hardened steel precision square featuring a 24-inch blade, engineered for the most demanding layout, inspection, and verification tasks. Built to Starrett's renowned tolerances, this master precision square delivers exceptional accuracy for machinists, toolmakers, and quality control professionals.

Key Features:

• 24-inch hardened steel blade for extended reach on large workpieces
• Master-grade precision — ground and lapped to extremely tight tolerances for reliable right-angle verification
• Solid, heavy-duty construction resists wear and maintains accuracy over years of use
• Beam and blade are precisely machined and finished for consistent contact along the full blade length
• Ideal for checking squareness of large machine parts, fixtures, and fabricated assemblies
• Graduated blade markings for added layout versatility
• Suitable for use on surface plates and precision inspection equipment

The Starrett 20-24 is part of Starrett's legendary line of master precision squares — a trusted standard in toolrooms, machine shops, and metrology labs worldwide. When accuracy cannot be compromised, Starrett delivers the reliability professionals depend on.