Vega T175MH1QD2 Impactech Quick Release Magnetic Bit Holder feature a patented spiral torsion zone that absorbs impact resulting in longer tool life. Vega T175MH1QD2 Impactech Quick Release Magnetic Bit Holder feature a high strength industrial magnet and are made from S2 Modified impact resistant steel. Vega T175MH1QD2 Impactech Quick Release Magnetic Bit Holder are tested to outperform all leading brands in life cycle.