10 Sets 3/8" Impact Wrench Retainer Rings include O-ring, Compatible With Electric Wrench/Pneumatic Wrench Welcome to the "Ultraseals" store We specialize in supplying and selling high quality hardware accessories, swimming pool pump parts, gaskets, shaft seals, etc. When the hot summer hits, it's important to choose the right pool pump parts in order to keep your equipment running smoothly. At the same time, we also provide power tool accessories, good power accessories can make your machine run smoothly and safely. If you have any questions, please contact us in time, we will try our best to solve it for you, I wish you a happy day.