1/4" Quick Change Hex Drive 20V Mld-Torque Impactool-bare tool Power: 165ft-lbs of maximum torque, the W5110 delivers all the power you need-when and where you need it most. Durability: Strong, lightweight, steel-lined aluminum hammer case protects internal components, while patent-pending metal reinforced housing withstands repeated drops. housing protects against aggressive shop fluids. Versatility: Compact size and hex drive, allows for greater accessibility and versatility, allowing quick use with a variety of accessories in the tightest of spaces. Patented steel reinforced frame protects against breakage. Compatibility with IQV20 Series batteries-up to 15 hours runtime on a 3.0 Ah battery (the same one used in our W7150 cordless Impactool) and up to 8 hours runtime on a 1.5 Ah battery. Easy-to-use battery interface makes changing the battery quick and simple. Compact and durable motor offers optimal performance and long life **BARE TOOL - no battery or charger** W5110