Small Arbor: 1/4'' Three-Flat Shank for Dia.19mm to 31mm Wood Hole Saw

Big Arbor:  3/8” Three-Flat Shank for Dia.32mm to 152mm  Wood Hole Saw

1.Made from high quality, hardened Carbon steel for added durability,enabling them to be suitable for soft and hard wood, plasterboard, 

2.Optimized Variable pitch and positive rake tooth design, provides powerful and efficient cutting.

3.High precision, smooth cutting edges, especially impact resistance, wear resistance, cutting perfectly smooth round hole.

4.Pilot bit with 118 Degree point for fast, skate-free penetration.

5. Increased wall thickness improves durability and minimizes tooth loss.

6.The wide slots placed low on each hole saw and multiple leverage points to make it easy to work plugs out with a screwdriver.

7.Black oxide finish to prevent rust. Color Painting is available.

8.For use with corded and cordless drills.