The ACDelco 1/4" Ratchet Wrench, No. ARW804, 8V tool is designed with advanced technology that reduces the weight, size and still maintains the power required to accomplish the job. This tool is about the size of an average palm while producing enough torque when compared to larger tools, according to the company, to provide access to tight spaces such as engine compartments. Weighing only 1.54 lbs and measuring 9-1/2" tall, this tool delivers a maximum torque of 27 ft/lbs, and no-load speed of 210 RPM. The package includes two Li-ion battery packs, an AC adapter with Air-Forced Cooling System (AFCS) designed and a carrying bag.