3 big square segments   trapezoid diamond grinding tool for concrete prep and coating removal. Fit on Diamatic/Sase and grinders with universal magnetic plates

used on walk-behind grinding machines Sase and magnetic plates

Thick disc base is for strong holding of diamond segments under machine pressure while rotating to prevent tear-off when hit hidden obstacles.

16/20 grit is good for coarse grinding and removing thin coating and residues of glue.

Three big segments are for aggressively resurfacing and well balanced. heavy duty

Hard matrix is designed for soft hardness of concrete floors.

We also have other grits and bonds in stock such as 30/40, 60/80.Moreover, we carry those for most brands of grinders