DEWALT Bare-Tool DC821B 18-Volt 1/2&#39;&#39; Cordless Impact Wrench (Tool Only, No Battery) Heavy-duty DEWALT-built motor provides long life under continuous heavy use conditions 0-2,100 rpm/0-3000 ipm for fast application speed Durable all-metal gear case and transmission provide jobsite-ready durability 160-Foot-pounds of max torque provides power to perform a wide range of fastening applications Variable speed trigger and electric brake provide control for tightening and loosening fasteners Battery & Charger Sold Separately