The Dremel Grout Removal Bit # 570 is a 1/8" carbide rotary tool accessory made in the USA. It features a maximum speed of 20,000 RPM and a minimum speed of 15,000 RPM, making it suitable for various grout removal tasks. The item dimensions are 3 inches in length, 3 inches in height, and 0.6 inches in width, with a chuck size of 1/8". This durable and efficient tool is designed for precision grout removal and is compatible with Dremel rotary tools.