High torque & a powerful motor in one! powerful 18 volt impact driver with lithium-ion batteries which feature a high energy density technology that will deliver nearly 300% more working capacity during the lifetime of the battery when compared to traditional ni-cad batteries. At the same time the substantial weight saving provides increased operator comfort & safety. Machine screws: m 4-m 8 standard bolt: m 5-m 14 coarse thread (length): 22mm-125mm. High tensile bolt: m 5-m 12. Max. Torque: 145nm. No load speed: 0-2, 300. Impacts per minute: 3, 200. Net weight: 1.5kg. Battery: li-ion.