Features: _x000D_ This segment grinding wheel uses diamond as abrasive for good grinding effect. _x000D_ It has 10cm outer diameter and 1.6cm inner diameter which will fit for many grinders. _x000D_ The thickness is 0.5cm that ensures its durability and long service life. _x000D_ With air holes designed to aid in and maintain a cool stable cutting pattern and reduced wear._x000D_ _x000D_ Widely used for grinding concrete, marble and many other stone materials._x000D_ _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Abrasive Material: Diamond _x000D_ Granularity: 60#_x000D_ Outer Diameter: 10cm/3.94in_x000D_ Inner Diameter: 1.6cm/0.63in_x000D_ Thickness: 0.5cm/0.2in _x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 1 x Grinding Wheel 1This segment grinding wheel uses diamond as abrasive for good grinding effect 2It has 10cm outer diameter and 1.6cm inner diameter which will fit for many grinders 3The thickness is 0.5cm that ensures its durability and long service life 4With air holes designed to aid in and maintain a cool stable cutting pattern and reduced wear 5Widely used for grinding concrete, marble and many other stone materials