3" STI Prep/master Segmented Diamond Grinding Discs 16/20 Grit For Concrete

 Metal Bond 3" Diamond Grinding Pucks For STI/Prepmaster Grinders 16/20 Grit 6 segments are for the most aggressive grinding and quick floor opening. Segment: 6 Segment Bonds: Hard, Medium, Soft Grit: 16/20 Suggested Applications: Concrete Floor with Soft, Medium and Hard Hardness. Grinding Machines: STI/Prepmaster Grinders and plates with proper adapters  For some grits/bonds of STI quick-change, you may need to use our MAGNETIC ADAPTER, Click Here for the appropriate Adapter or Contact Us for technical support.