The Irwin Industrial Tools 3 Cutter drill bit is a game-changer in the world of industrial drilling! Based on our own experience, this drill bit has performed superbly, consistently delivering precise cuts in metal sheet panels .The 3 cutter design allows for quicker and smoother drilling, while the quality of the materials ensures a long lifespan. The only downside is that it's slightly more expensive than other drill bits in the market. Nonetheless, the efficiency and durability of this product definitely make it worth the investment!