This superior-quality concrete floor grinding tool is designed for Lavina X series floor grinding machines. It is also compatible with Lavina S and Lavina Pro models. 2 stair type diamond segments proved to be a good design for coarse/medium grinding of the concrete. Our customers highly rate this concrete grinding tool. We provide different excellent bonds for different hardness of concrete. OEM/ODM is available. Good packing and fast delivery.   Note:  The QuickChange tool design for Lavina X machines fits also LAVINA S and LAVINA Pro models, but the old QuickChange tools designed for S and Pro machines are not compatible with the X-Series grinders. 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. SYF-C03SYF-C08SYF-C09SYF-C17SYF-C18