• The most frequently used sizes and an an arbor extension for hard to reach spots.
• Saw diameters are 3/4 Inch (19 mm), 7/8 Inch (22 mm), 1-1/8 Inch (29 mm), 1-3/8 Inch (35 mm), 1-1/2 Inch (38 mm), 1-3/4 Inch (44 mm), 2 Inch (51 mm), 2-1/4 Inch (57 mm), and 2-1/2 Inch (64 mm).
• All components are packed in a rust-proof, molded plastic carrying case.
• The Kit contains: 9 bi-metal hole saws (3/4 Inch, 7/8 Inch, 1-1/8 Inch, 1-3/8 Inch, 1-1/2 Inch, 1-3/4 Inch, 2 Inch, 2-1/4 Inch, 2-1/2 Inch), 3 arbors (Cat. Nos.: 31650, 31670, 31660), 1 arbor extender (Cat. No. 31678) 
• Note: Set pilot drill point 1/8 Inch beyond tooth points.
• Note: Read and follow safety instructions in power tool owner’s manual.

• Includes the most commonly used saws and arbors.
• Saw diameters are 7/8 Inch (22 mm), 1-1/8 Inch (29 mm), 1-3/8 Inch (35 mm), 1-3/4 Inch (44 mm), 2 Inch (51 mm), 2-1/2 Inch (64 mm), 3 Inch (76 mm), 3-5/8 Inch (92 mm), 4-1/8 Inch (105 mm), and 4-1/2 Inch (114 mm).
• All components are packed in a metal carrying case.
• The Kit contains: 10 bi-metal hole saws (7/8 Inch, 1-1/8 Inch, 1-3/8 Inch, 1-3/4 Inch, 2 Inch, 2-1/2 Inch, 3 Inch, 3-5/8 Inch, 4-1/8 Inch, 4-1/2 Inch), 3 arbors (Cat. Nos.: 31650, 31670, 31660) 
• Note: Set pilot drill point 1/8 Inch beyond tooth points.
• Note: Read and follow safety instructions in power tool owner’s manual.

• Contains the sizes necessary to upgrade a basic hole saw kit into a master set. .
• Saw diameters are 3 Inch (76 mm), 3-5/8 Inch (92 mm), 4-1/8 Inch (105 mm), and 4-1/2 Inch (114 mm).
• All components are packed in a metal carrying case.
• The Kit contains: 4 bi-metal hole saws (3 Inch, 3-5/8 Inch, 4-1/8 Inch, 4-1/2 Inch), 1 arbor (Cat. No.: 31670) 
• Note: Set pilot drill point 1/8 Inch beyond tooth points.
• Note: Read and follow safety instructions in power tool owner’s manual.