The KDPB488 Impact Wrench is a powerful and versatile tool designed to handle demanding fastening applications with ease. Featuring a square drive size of 12.7mm , it offers high torque output and compatibility with a wide range of sockets and accessories.With three speed settings - low (1800RPM), middle (2100RPM), and high (2400RPM) - the KDPB488 allows you to adjust the speed according to the specific task, ensuring optimal performance and precision.With three torque settings - low (350N.m), middle (400N.m), and high (488N.m) - you have precise control over the torque output, enabling accurate and efficient fastening in various applications.With its maximum torque of 488N.m, the KDPB488 Impact Wrench delivers exceptional power, making it well-suited for heavy-duty fastening tasks that require high levels of torque. Whether you're working on automotive repairs, construction projects, or other applications, this impact wrench provides the performance and versatility you need to get the job done efficiently and effectively.