You can get more work done in less time by using a Century Drill & Tool Hole Saw Set. Fit for the task, the diamond hole saw runs cooler and requires less pressure, meaning you make more accurate holes! The saw blade's patented thin wall design cuts 3 times faster than any other brands so your day just flies by. The unique, durable design lets these hole saws cut four times as many holes as other diamond grit hole saw brands.