SE DH10HS 1/4-Inch to 2-3/8-Inch Diamond Hole Saws
10-Piece Diamond Hole Saw Set, Sizes: 1/4-Inch, 3/8-Inch, 1/2-Inch, 3/4-Inch and 1-Inch on 1/4-Inch Shank. Sizes: 1.1/4-Inch,1.3/8-Inch, 1.1/2-Inch, 2-Inch, 2.3/8-Inch on a 3/8-Inch Shank., Comes in a Wooden Box.