Milwaukee SHOCKWAVE™ 4" Impact Magnetic Drive Guide delivers exceptional durability with its optimized shockzone™ design that absorbs peak torque to prevent damage during tough applications. This innovative drive guide features a stainless-steel sleeve that slides over the fastener to enhance stability, while the barrel includes a laser-etched depth gauge for precise control. The magnetic drive guide securely holds the fastener in place, and a c-ring retains the driver bit, making it easier to work efficiently and accurately. Model Number: 48-32-4516