Specification: Material: Metal,Carbon Steel Cutting Speed: 16.4ft/s Battery: Fit for makita 18v Battery(without battery) Features: Variable Speed, Ergonomic Grip, Effective Cutting Size Details:see the picture Features: EFFICIENT OPERATION - Only takes about 4 seconds to cut a log with a diameter of 6" (the specific value varies with the actual size and hardness of the wood). ONE-HAND USE - Due to its 0.7KG slim body, small in size, comfortable to hold, and convenient access to all places. Very suitable for women and the elderly, and will not feel tired after a long time of use. UPGRADED COPPER WIRE HIGH-EFFICIENCY MOTOR - Provides your tool with longer run-time, more torque, and more power which leads to less wear and tear, extending the lifetime of the tool.