1/2 Inch Impact 24 Volt Cordless Wrench Set 24V Accessories Included:2 - 24 Volt Battery Packs;1 1 Hr. Quick Charger; 300 Torque Chuck Size: 1/2" No-load Speed: 0-2,000 rpm Impact Speed: 0-4,000 bpm Max Torque: 300 ft/lbs, -Reversible, -Electric Brake