Bosch, HSM15PCE, Hole Saws, Drilling Accessories, Hole Saw Kits, Features: Features Progressor Tooth Geometry that combines cutting teeth with specially designed chip-removal teeth for super-fast cutting action in metal and wood Use quick change adapters to change hole saw types or sizes in seconds Designed with extended reinforced threads for maximum cup strength Includes a depth stopper which prevents breakthrough and protects the work surface Removable spring for automatic disc ejection Variable tooth pitch that is optimized for fast precision cutting in sheet metalSpecifications: Number of Pieces: 15 Includes Carrying Case: Yes Height: 12" Width: 9.75" Length: 5.25" Bosch has been in the headlines of state of the art development for over 100 years. From the invention of the jigsaw to their ergonomic designed tools, Bosch as cared about the customer since they started business in 1886.
I am so happy I bought hole saws. They fit well, look really expensive and will look great with anything. The Bosch hole saws are well-made ...