The 1/2DR EXT CR 20 IN WM from Field Tool Supply is a high-quality extension bar designed for use with 1/2-inch drive sockets. Measuring 20 inches in length, this extension provides added reach for accessing fasteners in tight spaces. Constructed from durable chrome vanadium steel, it offers excellent strength and resistance to wear. The chrome finish enhances corrosion resistance, making it suitable for various environments. Ideal for automotive and industrial applications, this extension bar is a reliable tool for professionals seeking efficiency and versatility in their toolkit.