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Introducing Proto's impact socket set designed for metric sizes up to 23 mm. Made from durable steel with a six-point design for added strength and performance, these 3/8 drive sockets are ideal for mechanics, DIYers, and construction professionals. Featuring an easy-to-grip handle and compatibility with most impact drivers, you'll experience unbeatable torque for fastening and loosening tight bolts. Get the perfect fit every time with these high-quality impact sockets from Proto, ideal for automotive maintenance, plumbing repairs, and general hardware applications.