The stair type diamond grinding segment is specially designed for coarse grinding or medium grinding of the concrete floor. We use this kind of diamond segment on our diamond cup wheel, Husqvarna redi lock diamonds and Lavina diamond grinding disc, etc. This C17 diamond grinding disc has been proved as an efficient diamond grinding tools for concrete grinding. Sample order is available and we provide various great bonds to fit your unique concrete. We inspect every Lavina diamond segment and blank plate strictly. You can choose a packaging of 6 or 9 pieces per box.   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-C17