CAT DX72 18V 4.0Ah Li-ion Dual-Battery Cordless Brushless 350Nm Impact Wrench

18V Li-ion battery and brushless motor design. Designed for professional nut/bolt tightening and loosening tasks with a robust gearbox and brushless motor. Compatible with CAT 18V Li-ion batteries (CAT 1 FOR ALL) to power all CAT 18V cordless tools. Brushless motor offers longer runtime and increased power compared with similar brushed designs. Brushless motor reduces internal friction and is designed for longer service life and improved efficiency. 18V Li-ion professional battery with thermal protection to help protect cells from overheating, providing longer life and faster charging. 350 Nm torque for heavy-duty tightening and loosening in confined spaces. Impact mechanism intended for applications where standard cordless drills/drivers cannot tighten or loosen stubborn nuts or bolts. Impact function helps with seized or corroded fasteners. Variable-speed trigger and electronic 3-stage torque/speed selector for precise torque and speed control; selector allows consistent torque and speed under load. Stepwise electronic torque and speed settings provide high torque/speed for metal fastening and lower settings for wood or electronics work.