The rarity of Tools of the Final Utterance is Rare, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Tools of the Final Utterance is a skin for Silencer. The skin was added to the game on March 17, 2015, it was created by DotaFX.
Tools of the Final Utterance is currently one of the most popular skins, but it is rarely seen in the game due to its high price.