Meet the newest ZENESIS™ silent core bridge saw blade, OBSIDIAN. Distinctly designed to cut fast and clean on engineered stone, porcelain, marble, and even the hardest quartzite. This is made possible by using our latest and most innovative ZENESIS™ diamond patterning technology to date. This latest technology increases the number of cutting/contact points by up to 3 times and significantly improves performance. The unique metal bond matrix is engineered to work with virtually all natural and engineered stone.
| Part No. | Diameter | Segment | Arbor Size |
| ZSGO20V25T1213T | 12" | 25mm | 60/50mm |
| ZSGO20V25T1413T | 14" | 25mm | 60/50mm |
| ZSGO20V25T1613T | 16" | 25mm | 60/50mm |
| ZSGO20V25T1814T | 18" | 25mm | 60/50mm |
| ZSGO20V25T2014T | 20" | 25mm | 60/50mm |