Industrial Grade M35 Cobalt Titanium Aluminum Nitride

[Size: 1/2 Inch, Number of Items: 1]
Easily cuts through hardened trailer rails.

[Size: 3/4 Inch, Number of Items: 1]
Ripped thru sheet steel with no damage to bit. Accurate size. Competitive price.

[Size: 3/8 Inch, Number of Items: 3]
Awesome drill bits! Very sharp! Very fast cutting! Awesome value!

[Size: 7/64 Inch, Number of Items: 3]
Very nice bits

[Size: 5/16 Inch, Number of Items: 3]
Good solid bit for the price

[Size: 7/8 Inch, Number of Items: 1]
excellent bit held up very good

[Size: 1/16"-1/4", Number of Items: 1]
Just an average set of bits they work well on softer metals and woods but hard steel these just don't cut through. They value is right for this set Not the best in durability. The variety in sizes is nice. Good set for a homeowner or hobbyist