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The MILWAUKEE TOOL 49-66-6803 is a 16-piece metric impact socket set built for 1/2 inch drive impact wrenches and ratchets. Each socket features a 6-point design and a black finish, which reduces glare and provides basic corrosion resistance. The set covers metric sizes from 10mm through 24mm, making it a practical option for mechanical, HVAC, plumbing, and electrical trades where fastener removal and installation are routine tasks. The sockets are engineered to handle the high-torque output of pneumatic and cordless impact tools. The set ships in a Packout-compatible organizer for organized storage and quick access on the job.
This socket set suits trade professionals working on equipment installation, mechanical assembly, and maintenance across commercial and residential job sites. It is well suited for HVAC technicians mounting equipment, plumbers securing flanges and pipe supports, and electricians fastening panel and enclosure hardware. The included Packout organizer integrates with the Milwaukee Packout modular storage system, making it easy to stage and transport alongside other tools on multi-trade jobs.
Designed for use with 1/2 inch drive impact wrenches, air ratchets, and hand ratchets. Packout organizer is compatible with the Milwaukee Packout modular storage system.
Impact sockets should always be used with impact tools rather than standard chrome sockets, which can fracture under repeated impact torque. Inspect sockets for cracks or deformation before each use and remove any damaged pieces from service. When working on energized panels or live electrical systems, follow NFPA 70E arc flash safety requirements and use insulated tools where appropriate. Store sockets in the provided organizer to prevent rolling, loss, or mixing with non-impact-rated sockets.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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