6" Machinist's Solid Square. Tolerance of .003 marked in red marker on the square. - 6" Machinist's Solid Square///brand_for_product_detail=Acme,close_out=Yes,companydescription=Acme - Made in India,condition=New,condition_google=new,cost=1.270000,countrymade=Made in India,country_flag=no_selection,featured=0,flag=no_selection,identifier_exists=0,instock=in stock,is_recurring=0,listprice=5.00,madeinusa=0,manufacture_country=India,product_image_size=Default,product_page_type=Default,sellprice=8,smart_campaign_bestsellers=Smart Campaign Bestsellers,square_product_image=https://square-production.s3.amazonaws.com/files/0414630906f68965115fcc7addef2bfecc63103a/original.jpeg,store_price=8.000000,sw_featured=No,url_path=6-machinist-s-solid-square