parameter:

1.Made of 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.Increased wall thickness improves durability and minimizes tooth loss.

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

6.For use with corded and cordless drills.