Erik Old Fashioned 4-pack Ounce: 8.45 Erik Old Fashioned from Orrefors, available as a set of 4, is an ideal glass for all whiskey enthusiasts appreciating modern 70s design distinguished by Scandinavian simplicity and clean lines. The OF glass, which holds 8.5 oz, is outstanding for serving spirits. Designed by Olle Alberius. Erik OF is perfect for serving spirits like Rye, Whiskey, Bourbon, and Gin as well as cocktails such as Old Fashioned. H: 3.375 W: 2.875 8.5 oz.