Starrett B12-4R Combination Square Blade With Inch Graduations， Sets And Bevel Protractors， Regular Finish， 4R Graduation， 1" Width， 3/32" Thickness， 12" Size<img src="http://ecx.images-amazon.com/images/I/21SK-V74uXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21PxPnpylVL.jpg" noproxy>