Get in there with the craftsman 3 inch extension bar, 1/4 inch drive. The 3 inch extension bar, 1/4 inch drive gives you those three inch you need to make contact with the fastener. With the extension bar you can lengthen the scope of your working area easily and quickly. This quality made, handy craftsman 3 inch extension bar, 1/4 inch drive is an inexpensive tool that will make your jobs so much easier whether you're working on a car, electronics, lawn mower engines or bicycles. Get a couple of these extension bars so you're never without this extra reach.