1) Sizes: 4¡¯¡¯ -7¡¯¡¯ diameters, Customized specifications are available. 2) Designed for use most all right angle grinders. They are ideal for removing form marks in concrete, beveling, smoothing and shaping masonry and other stone surfaces. 3) Include single and double row cup wheels, turbo cup wheel and continuum cup wheels. 4) Available in premium series only and may be used wet or dry. Welcome to contact us to get more details.