The Bosch 1646B 18V is compact and lightweight for everyday use. A great all-around drill for general use, most durable in its class. This model features LockJaw Blade System for fast, extremely easy, push to insert blade and twist to eject blade. A Saw hook for convenient tool storage between cuts. Soft grip rubber sleeve for sure under-hand or over-hand cutting. Bosch BLUECORE Battery - BLUECORE cooling rods absorb the heat inside the batteries. BLUECORE battery completely compatible with all current Bosch cordless tools and chargers