PEC Tools 2-Piece 12" Combination Square Set with Lock Bolt for 12"-24" Squares | 4R Scale Machinist Blade, Cast Steel Head & Scribe | for Metalworking, Carpentry | Made in USA

PEC Tools 4R Precision Combination Square Blade – Professional-Grade Accuracy & Durability Elevate your precision measuring with the PEC Tools 4R Combination Square Replacement Blade. Engineered for machinists, woodworkers, metalworkers, and craftsmen who demand uncompromising accuracy and rugged reliability, this 12-inch blade delivers professional performance day after day. Crafted in the USA with industrial-grade hardened and tempered steel, the blade features a satin-chrome plated finish that resists wear, corrosion, and glare—keeping markings sharp and legible even in demanding environments. The finely engraved 4R scale includes 8ths, 16ths, 32nds, and 64ths, allowing ultra-precise measurements for layout, inspection, and marking tasks. This blade is designed for seamless compatibility with 4″ and 6″ combination square heads (including square, protractor, and center finder types), making it an ideal direct replacement for lost or damaged parts. Easily install it to restore your square to like-new performance. Key Features: Precision 4R Scale with 8ths, 16ths, 32nds, and 64ths graduations Hardened tempered steel construction with satin chrome finish Fits 4" and 6" PEC square heads (square, protractor, center finder) Ideal for scribing, measuring depth/height, and parallel lines Durable, corrosion-resistant, and easy to read Made in the USA with a legacy of quality since 1960 Whether you’re working in metal, wood, or general assembly, the PEC Blade brings American-made strength and precision to your toolbox. PEC Tools – Built with Pride. Trusted for Performance.

• Professional 4R Precision Scale: Features clear 8ths, 16ths, 32nds, and 64ths graduations for ultra-accurate measurements in machining, metalworking, and woodworking applications.
• Industrial-Grade Steel Construction: Made of high-quality hardened and tempered steel with satin chrome finish, ensuring durability, corrosion resistance, and reliability under diverse working conditions.
• Multi-Function Use: Perfect for scribing angles, marking parallel lines, measuring depths and heights, and performing layout and inspection tasks with precision.
• Wide Compatibility & Easy Installation: Designed as a direct replacement blade, it fits 4″ and 6″ square heads (including square, protractor, and center finder types) for easy integration with existing tools.
• Proudly Made in the USA: Since 1960, PEC Tools embodies American manufacturing excellence—delivering world-class, professional-grade tools trusted for a lifetime.