Starrett 11H-6-4R Combination Square Graduations - 6 4R

The Starrett 11H-6-4R is a precision 6-inch combination square featuring 4R graduations (1/8, 1/16, 1/32, and 1/64 inch), designed for machinists, toolmakers, woodworkers, and craftsmen who demand reliable, accurate layout and measurement tools. Built to the exacting standards Starrett has maintained since 1880, this combination square delivers professional-grade performance for both shop and field use.

Key Features:

• 6-inch hardened steel blade with satin chrome finish for easy readability and corrosion resistance
• 4R graduations — blade is graduated in 1/8", 1/16", 1/32", and 1/64" increments on both faces
• Cast iron square head with precision-ground faces ensuring accurate 90° and 45° angles
• Built-in spirit level in the head for quick leveling checks
• Scriber included — stored in the head for convenient layout marking
• Blade locks securely with a knurled nut for repeatable measurements
• Blade is removable and interchangeable with other Starrett combination square components

The Starrett 11H-6-4R is part of Starrett's legendary No. 11 Combination Square series — one of the most trusted and widely used precision measuring tools in metalworking, woodworking, and general fabrication. The hardened and tempered blade resists wear, while the precision-ground square head guarantees squareness you can depend on for scribing, depth measurement, height gauging, and angle checking.