Vega T125H015A Impactech Hex 1.5mm Insert Bit feature a patented spiral torsion zone that absorbs impact resulting in longer tool life. Vega T125H015A Impactech Hex 1.5mm Insert Bit precision engineered tips are manufactured with a proprietary CNC machining process and are made from S2 Modified impact resistant steel. Vega T125H015A Impactech Hex 1.5mm Insert Bit are tested to outperform all leading brands in life cycle and tip failure testing.