Bit brace/hand brace with set of boring auger bits. Great for drilling large diameter or very deep holes into wood. For larger diameter holes (up to 3") try VICTL 517 adjustable bit.
Check out this video for more info on why you might want to use a bit brace, and a demo.
Victoria Tool Library
http://victoriatoollibrary.org/
750 Fairfield Roadhttp://victoriatoollibrary.org/
Victoria, BC, V8W 2H1
Canada