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The Covington Ultimate Diamond Blade is the premium choice for lapidary artists demanding the fastest, smoothest cuts through the hardest materials. Engineered with a highly concentrated, sintered diamond rim, this blade aggressively slices through agate, jasper, and petrified wood while leaving an exceptionally smooth finish that requires minimal sanding. The stiff steel core prevents deflection and blade wander, ensuring perfectly straight slabs every time. Designed to outlast standard blades significantly, the Ultimate Diamond Blade is the ultimate investment for serious lapidary work.