This 3/8 inch drive extension bar set is perfect for any home mechanic or DIY enthusiast. With extensions ranging from 3 to 10 inches, you'll have the reach you need for tight spaces under the hood or hard to access areas under cabinets and appliances. The universal joint on the end of each extension allows you to get at angles that would otherwise be impossible. Machined from heat treated chrome vanadium steel, these extensions are built to last through many projects. At under $20, this 4 piece set will pay for itself after just a few uses by saving you from having to buy individual extensions as your needs change. It neatly stores in the included plastic case for easy organization in your toolbox.