With its 1/4" maximum depth of cut, this straight bit is ideally suited for routing hinge mortises and shallow dadoes. At 1/2" wide, you can rout dadoes in multiple passes to precisely fit stock of almost any thickness. Two flutes for fast, smooth, accurate trim cuts. Ball-bearing guide makes it ideal for pattern or template cutting. Carbide-tipped. Shank is 1/4" in diameter, bearing is 1/2" diameter and carbide height is 1/4".