Lavina diamond grinding plate is a trapezoid plate and can be installed on the holder disc very quickly. This quick-change system is designed by Superabrasive Inc. in the USA and is widely used on Lavina floor grinders. Several other floor grinder brands can also use lavia diamond grinding plates with corresponding adapter plates, such as like HTC，EDCO, ONFLOOR, etc. For coarse grinding of concrete or terrazzo floor, our SYF-C02 lavina grinding plate is an ideal choice. 3 arrow type segments provide efficient & abrasive grinding. Outstanding diamond segment formula brings high productivity. Different bonds fit different hardness of concrete. Sunny Superhard Tools provides you with the most reliable lavina diamond grinding plates. Trapezoid type concrete grinding disc for Lavina grinders. 3 arrow type diamond segments for the coarse grinding of the concrete. Outstanding diamond formulas ensure high performance. Different metal bonds apply to the different hardness of concrete. A wide range of diamond grits to choose from. Optional Specifications Optional Diamond Grit 6#, 16#, 36#, 60#, 80#, 120#, 180#, 220# Optional Metal Bond extremely soft, very soft, soft, medium soft, hard, and very hard Optional Packaging 6 or 9 pieces per box Optional Painting Color High light or Matt, common colors are: orange, yellow, red, black, purple and blue Other services OEM/ODM service is available, such as logo engraving(free), painting color(free), and etc.