Vega T150ADB38 Impactech 3/8” Male Square Imapct Socket Adapter with Ball Lock feature a patented spiral torsion zone that absorbs impact resulting in longer tool life. Vega T150ADB38 Impactech 3/8” Male Square Imapct Socket Adapter with Ball Lock precision engineered tips are manufactured with a proprietary CNC machining process and are made from S2 Modified impact resistant steel. Vega T150ADB38 Impactech 3/8” Male Square Imapct Socket Adapter with Ball Lock are tested to outperform all leading brands in life cycle and tip failure testing.