Might need internal gears replaced. It slips unless you make sure it's all the way on each side. I think you can get all internal gears replaced with the Snap On guarantee. The Snap-On FK720 3/8" Drive Stubby Handle Chrome Ratchet is a high-quality hand tool designed for automotive use. With a 4" long handle and a single piece construction, this ratchet is durable and reliable for various mechanical tasks. Made in the United States, this ratchet features the Snap-on brand reputation for excellence and is ideal for professionals and enthusiasts alike. Although it does not have a quick release feature, its sturdy design and 3/8" drive size make it a valuable addition to any tool collection.