The Ingco 20 V 4200 RPM Cordless Drywall Screwdriver, CDSLI204200 is a high-performance tool designed for efficient and precise drywall installation. Featuring a powerful 20 V motor, this cordless screwdriver achieves an impressive no-load speed of 4200 RPM, ensuring quick and accurate screw driving. Its 1/4-inch hex bit type accommodates a variety of bits, making it versatile for different fastening needs. With a maximum screw diameter capability of 4.2 mm, this tool is ideal for handling standard drywall tasks with ease.