The rarity of The Stumpgrinder is Rare, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
The Stumpgrinder is a skin for Timbersaw. The skin was added to the game on May 13, 2015, it was created by Jeremy Klein.
The Stumpgrinder has been recently added to the game, which makes it rather popular with the game community.