Three basic tools no shop can do without: a large, easily read protractor, a small double sliding square with a spirit level and an outsize scale with a center-finder on one side and an angle finder on its reverse. Protractor is 12" w. x 8-7/16" l.; Double Square is 4" w. x 6" l. and Scale is 3" w. x 12" l. All made in China.