There are several types of drill bit products for sale these days; however, what you'll find most of the time is that several of these drill bits easily break while you're using them. This is more or less a factor of their build quality, and it means you'll have to spend even more trying to replace them.
With this chisel drill bit set, however, you have access to premium-quality drill bits that are very durable. This, in turn, means you won't have to incur additional costs in trying to replace them. The drill bits are also compatible with high-speed drilling, so you will also be able to work faster.