Starrett C434-12-4R 12-Inch Combination Square Set 4R Graduations

The Starrett C434-12-4R is a professional-grade 12-inch combination set featuring 4R graduations, built to the exacting standards that have made Starrett a trusted name in precision measuring tools. This combination set is an essential tool for machinists, carpenters, metalworkers, and layout professionals who demand accuracy in every measurement.

Key Features:

• Blade Length: 12 inches with 4R graduation markings (graduations in 8ths, 16ths, 32nds, and 64ths of an inch)
• Square Head: Cast iron head with a hardened and ground face for flat, accurate reference surfaces
• Spirit Level: Built-in bubble level in the square head for quick leveling checks
• Scriber: Includes a hardened steel scriber stored in the square head for layout work
• Blade Material: Hardened, tempered, and ground high-carbon steel blade for durability and long-term accuracy
• Locking Mechanism: Positive-lock thumb nut secures the blade at any position along the head
• Multiple Uses: Functions as a try square, miter square, depth gauge, height gauge, and level in a single tool

The C434 series combination set is a versatile measuring and layout instrument used across metalworking, woodworking, and general manufacturing applications. The 4R blade graduation provides four scales for maximum measurement flexibility, making this set ideal for precision layout, checking squareness, and scribing lines. Starrett combination sets are manufactured in the USA and are recognized as the industry standard for quality and accuracy.