The Lisle 4WD Wheel Bearing Lock Nut Tool - 27400 is the perfect tool for any 4WD enthusiast. This tool is designed to make the job of replacing your wheel bearing lock nut easy and efficient. The tool is made of high-quality steel and features a special design that allows it to fit into tight spaces. It has a 3/8" drive and a 3/4" hex head that ensures a secure fit. The tool also features a knurled handle for a secure grip and easy maneuverability. With this tool, you can quickly and easily replace your wheel bearing lock nut and get back on the road.