The Marcrist Mi750 series Diamond blades give a fast and universal cut in a wide variety of materials. They are suitable for use in either stationary machines or angle grinders and can be used wet or dry. Applications: Building materialsConcrete productsGranite and Natural stoneIron and Steel. Marcrist diamond products comply with every known safety standard worldwide. The Titanium coated diamonds provide a self-cooling and self-sharpening cutting edge. The patented armoured blade centre provides excellent blade strength, whilst the engineered core is precision engineered, hardened, ground, balanced and tensioned. The blades help to suppress noise for semi-silent operation. Each segment is welded not once, but twice.The Marcrist 75030020 Mi750 Diamond Blade has the following specifications: Diameter: 300mm. Bore: 20mm. Material: Other Material.