Doing your own oil changes? This CTA Tools 2036 drain plug wrench is a specialty tool that makes the job much easier. It's brand new, with an 8mm square drive that fits the square-head drain plugs found on many oil pans (common on older GM, Ford, Chrysler, and various import vehicles). Instead of struggling with an adjustable wrench that can round off the plug, this tool gives you a perfect, secure fit for maximum torque and prevents stripping. It's a single, sturdy tool made by CTA Tools, a reputable brand in the mechanic world. Part number is 2036, UPC is 053001020362. Keep it in your oil change kit or glove box. A simple, inexpensive tool that protects your vehicle's oil pan and makes routine maintenance quicker and more professional. A must-have for any home mechanic!