This is an Indoor grooving tool manufactured by Beijing World Super Hard Tools Co which features its service life of PCD/PCBN. For this specific unit, it has an internal grooving tool which is 10 to 15 times compared to the average hard alloy grooving tool and coating grooving tool. For this specific model, it comes with a blade that has a small vibration. Also, it uses an internal grooving tool which prevents easy breaking of the set screws. The manufacturer features the unit which can be customized according to the specification given by the customers. This is the ideal tool for cutting various material such as copper, aluminum, copper alloy, aluminum alloy, tungsten carbide and nonmetal work pieces. Its internal grooving can reach by about 3 micrometers.