Starrett 11H-12-4R 12" Steel Combination Square with Square Head – 4R Graduations, Cast Iron Heads, Scriber & Spirit Level

Overview

The Starrett 11H-12-4R combination square is a versatile layout tool crafted for accuracy and reliability. With a 12" hardened blade and cast iron heads, this square brings you dependable performance across carpentry, metalworking, and DIY projects. The 4R graduation type documents measurements in 8ths, 16ths, quick reading 32nds, and 64ths, helping you check angles, squareness, and parallel lines with clarity.

Designed to withstand demanding environments, this square is built to last. The blade’s durability is matched by a sturdy square head, and a reversible lock bolt keeps your settings secure as you work. A built-in scriber and a spirit level add practical functionality, allowing you to mark and verify layouts in one convenient tool.

Why this tool stands out

Whether you are a professional tradesperson or a dedicated DIYer, the Starrett 11H-12-4R supports a wide range of tasks with confidence. The combination of precision graduations, tough construction, and multiple features translates to a smoother workflow, less rework, and more consistent results.

Key features and benefits

• 4R graduations with 8ths, 16ths, 32nds, and 64ths for quick, precise readings.
• Hardened steel blade and cast iron heads deliver durability and long-lasting geometry.
• Reversible lock bolt keeps the ruler and head aligned while you work.
• Scriber and spirit level add practical layout and verification capabilities in one tool.

Common uses

• Squaring, measuring, and marking right angles on a variety of materials.
• Depth gauging, height gauging, and leveling for accurate setup and checks.
• Tri-squaring, mitering, and parallel-line layout for precise assemblies.

In practice, the Starrett 11H-12-4R offers a capable combination of features that can enhance precision-focused tasks without demanding a different tool for every job. Consider how its blend of graduations, durable construction, and integrated functions might fit your project needs. Benefits are presented as possibilities to support your workflow, not guarantees.