Reversible electric chuck for portable tools, designed to ensure reliability and precision in clamping and rotation operations. The structure is designed for simple and secure mounting on various types of power tools, offering good adaptability to professional requirements. The reversible control allows for quick inversion of the rotation direction, facilitating use in applications that require frequent changes of direction. The robust construction ensures long-lasting durability even under intensive working conditions. This chuck is an essential component for those who need a reliable and functional accessory for drilling, screwing, and other mechanical operations.