The Makita Line of 18V LXT Li-ion High Torque Impact Wrenches offers three models: the 3/4" Square Drive (No. XWT07M/Z), which provides users with 780 ft/lbs of torque); the 1/2" Square Drive (No. XWT08M/Z), which provides 740 ft/lbs of torque; and the 7/16” Hex Chuck (No. XWT09T/Z), which provides 740 ft/lbs of torque. All three tools feature three-speed power selection and an electric brake for added precision and convenience, according to the company.