These bits are incredibly bad. I used them Yesterday one of the middle bits broke on hole 6. Then I went up a size and it broke on hole 1! If you don't drill holes in styrofoam, find something else. You will have more fun burning a 10 dollar bill.
POWERTEC 62-Inch 8-Inch Blade - Model 13132X
12 Review
Enhanced Cutting Efficiency with Olson FB23370DB 0 025 2 Inch Blade
10 Review
🔪 Bi-Metal Cutting Blades: Imachinist S933414 - Enhancing Precision and Performance
10 Review
High-Performance Bosch BS80 6W Bandsaw - 80 Inch 4 Inch Blades
11 Review