Empire Level E255 6-Inch Pocket Combination Square With Etched Stainless Steel Blade, Graduations and True Blue Vial The item is Empire Level E255 6-Inch Pocket Combination Square With Etched Stainless Steel Blade,-Inch Graduations and True Blue Vial Used for Power Tool Accessories, Blades - Other The product is manufactured in Taiwan Precision machined head and True Blue vials ensure sureness to .001 6-inch etched stainless steel blade with inch graduations Machined square head, self aligning draw bolt and hardended scriber True Blue vial for accuracy Made in USA