Milwaukee Selfeed Bit is engineered to drill up to 12% faster while ing up to twice the lifespan d to standard bits. for trades requiring repetitive large hole cutting in wood, this SWITCHBLADE™ Selfeed bit features replaceable hardened steel blades that eliminate the need for resharpening. With every quick blade change, you essentially get a new bit, minimizing downtime and maximizing productivity. Its aggressive feed screw design ensures the bit pulls through material swiftly, delivering faster drilling performance. Built for durability and efficiency, the Milwaukee SWITCHBLADE™ Selfeed bit provides exceptional value by delivering more holes for your money. Model Number: 48-25-5143