21V Cordless Impact Wrench Kit, with 2x3.0AH battery

About this item Impact wrench: This cordless 21 volt lithium ion 1/2 inch square anvil automatic impact wrench allows you to tighten or loosen various nuts and bolts for home construction and construction tripods, and is widely used in daily indoor or outdoor. Brushless Motor: The built-in brushless motor enables the tool to run cooler and more efficiently, optimizes the use of battery energy, and extends the running time per charge by up to 50%. High torque and multiple speeds: 420N.M high torque, 2-speed control and continuously variable switch. Forward/backward mode: Turn the diamond button to the left/right to enter the forward/backward mode, which can help you tighten or loosen the screws easily. Sturdy: All-aluminum head, sturdy and durable, good sealing effect; tungsten steel rotating shaft, impact resistance. Product Description   Specification:   Voltage: 21V Speed: two-speed Maximum torque: 420 N.m Impacting Frequency:0-4400RPM Battery Capacity: 3000mAH  Output shaft: 1/2