Vega T1150MH1QDS2 Impactech Slim Quick Release Mag Bit Holder feature a patented spiral torsion zone that absorbs impact resulting in longer tool life. Vega T1150MH1QDS2 Impactech Slim Quick Release Mag Bit Holder precision engineered tips are manufactured with a proprietary CNC machining process and are made from S2 Modified impact resistant steel. Vega T1150MH1QDS2 Impactech Slim Quick Release Mag Bit Holder are tested to outperform all leading brands in life cycle and tip failure testing.