The Proto J7211M is a professional-quality 3/8-inch drive impact socket designed to stand the test of time in demanding industrial and MRO applications. The 6-point design provides a secure grip on fasteners, reducing the risk of rounding and delivering reliable torque transfer.
Built to Proto's industrial standards, this 11mm impact socket is engineered for use with 3/8-inch drive impact wrenches and ratchets, making it an ideal choice for mechanics, maintenance professionals, and tradespeople who require precision and durability on the job.