1/2in Dr. Cr-Mo Impact Extension 150mmL w/steel ball

Genius Tools Impact Extension Bar 150mm Length Chrome Molybdenum Steel 1/2 Inch Drive with Steel Ball Retention - 480150MB Impact Extension Bar This 1/2in drive impact extension bar adds reach for impact-rated fastening tasks while maintaining a compact 150mm (5.91in) overall length. Built for professional technicians, it focuses on durability, fit, and easy identification in a busy tool setup. Manufactured from Chromium Molybdenum Alloy Steel and heat treated through oil quenching, it is designed for high strength under heavy use. A matte black oxide coating adds a tough exterior, while the steel ball retention helps keep sockets securely engaged during work. Key Benefits 1/2in drive impact extension bar provides extra reach without sacrificing control. 150mm (5.91in) overall length fits tight spaces while extending access. Chromium Molybdenum Alloy Steel construction delivers high strength and durability. Matte black oxide coating helps resist corrosion and workshop wear. Heat treated via oil quenching for tough exterior and strong inner core. Steel ball retention supports secure socket engagement during impact applications. Size markings are stamped for permanent, quick identification in tool storage. This combination of Cr-Mo strength, heat treatment, and clear stamped sizing supports consistent performance over long-term, professional use.