Milwaukee M18 18-Volt Lithium-Ion 1/2 in. Cordless Hammer Drill (Bare Tool Only)

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Milwaukee 4-pole frameless motor: features a robust design combined with rare-earth magnets for longer life, best-in-class 500 in. lbs. of torque and 0-450/0-1,800 RPM
Single sleeve ratcheting chuck: all-metal 1/2 in. chuck optimizes grip strength and reduces slippage