From Icon Heroes. Today is a good day to open letters! A true warrior's blade, now you too can stab those pending bills with your own Star Trek Klingon D'k Tahg Letter Opener by Icon Heroes. A Gentle Giant scan, this piece was designed from the actual Star Trek prop. Measuring approximately 8" x 3" x 4", it weighs 5 oz and is made of sturdy zinc alloy metal. This Star Trek letter opener is sure to be a great gift for any Klingon at heart.