6"/150mm 3 PIECE COMBINATION SQUARE SET Idea for Precision Layout Work Cast Iron Heads Includes: Machinist's Blade Square/Miter Head Center Head Features: All Blades Fully Hardened and Tempered Durable, Easy to Read Satin Chrome Finish Blades High Contrast, Micro-Fine Blade Graduations Square/Miter Head Features Level Vial and Hardened Scribe Tool Heads Supplied with a Hammertone Powder-Coat Finish Inch/Metric Graduations .5mm, 32nds One Side 1mm 64ths Second Side Made in USA