1pcs 4-Inch Diamond Cutting Disc Segmented Diamond Saw Bit with Cooling Holes 20mm Inner Diameter Tile Cutting Disc Marble Concrete Cutting Disc

Features:
With 8 cooling holes for better heat dissipation.
Professional diamond cutting tools for cutting stone material, marble, granite, tile with high efficiency.
Designed to cut fast in a wide range of common building materials.
Great accessory for building industry, mining, highway construction and building bridges.
High hardness, great wear resistance and excellent impact resistance.