Multiple dressers are made with diamonds that are sintered into a matrix which allows you to obtain a specific placement and alignment of the diamond tips.
This type of dressing tool is used especially for rough dressing or to allow the centering of the grinder’s band in relation to the axis of rotation.
For a correct use it is important that the tool’s facet forms with the end of the grinders band an angle of 90°, in such a way that all the diamond tips are working simultaneously.
Some different types of multiple dressers: