18" Machinist's Solid Square. Tolerance marked on square up to .006. - 18" Machinist's Solid Square///brand_for_product_detail=Acme,close_out=Yes,companydescription=Acme - Made in India,condition=New,condition_google=new,cost=12.690000,countrymade=Made in India,country_flag=no_selection,featured=0,flag=no_selection,identifier_exists=0,instock=in stock,is_recurring=0,listprice=30.00,madeinusa=0,manufacture_country=India,product_image_size=Default,product_page_type=Default,sellprice=50,smart_campaign_bestsellers=Smart Campaign Bestsellers,square_product_image=https://square-production.s3.amazonaws.com/files/58520f38a274ed48512d255d9e00e8e4a0dd1e16/original.jpeg,store_price=50.000000,sw_featured=No,url_path=18-machinist-s-solid-square