The Horizon Tool 1/2 Drive Impact Extension Bar, 5 inches in length, is engineered for heavy-duty performance. Featuring a ball detent design, this extension bar provides a secure fit with sockets, minimizing the risk of slippage. Made from high-quality chrome molybdenum steel, it ensures durability and resistance to wear. The black oxide finish enhances corrosion resistance, making it suitable for various applications. This extension bar is perfect for accessing fasteners in tight spaces, making it an essential tool for mechanics and DIY enthusiasts alike. It meets ANSI standards, ensuring reliability and performance in demanding tasks.