18V Li-ion Cordless Impact Wrench Sparky GUR 18SLi HD High torque for efficient insertion of screws and bolts Quick release 1/2” Square drive fitting with lock Variable speed trigger switch 3 position speed/torque pre-selection with variable speed in each range Full metal gearbox Modern ergonomic design for added comfort and control Ergonomic soft-grip handle Electric motor brake LED battery level indicator LED speed/torque setting indicator Intelligent, fan cooled fast charger Interchangeable battery packs