No matter what type of project you're working on, this socket adapter set will help you get more use out of your ratchets. Perfect for mechanics, engineers, carpenters or DIY enthusiasts, these adapters perfectly plug into your existing drive tools, giving you more socket sizes to choose from. Now instead of having to bring all your ratchets to the work site, you can bring one that can be used for any task. This 4-piece set includes the following sizes: 1/2 in. to 3/8 in., 3/8 in. to 1/4 in., 3/8 in. to 1/2 in. and 1/4 in. to 3/8 in. Constructed of a tough alloyed steel to hold up to all your torquing Clear size markings make the accessories easy to identify from your toolbox Full polish chrome finish for corrosion resistance