I recently purchased a bi-metal cutter for drilling plastic and it has been a game-changer for my cutting needs. Thanks to my knowledge gained in practice, I knew this cutter would be perfect for industrial and scientific projects alike. The cutter quickly and efficiently penetrates the plastic, leaving a precise, clean cut every time. My only drawback is that it can get clogged with shavings if used excessively without clearing debris frequently. Overall, a fantastic investment for any cutting tool collection.