The HT 3/4 DR IMP EXT. BAR 4 BLK W/BALL from Horizon Tool Inc. is a heavy-duty extension bar designed for impact applications. Measuring 4 inches in length, this extension bar features a black oxide finish that provides superior corrosion resistance and durability. The ball detent design ensures a secure fit with sockets, preventing slippage during use. Compatible with 3/4-inch drive impact tools, it meets ANSI standards for performance and safety. Ideal for automotive and industrial applications, this extension bar enhances your reach and torque capabilities, making it a must-have for any professional toolkit.