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The APEX 80407 is a full polish chrome socket with a 3/8 inch drive, 6-point configuration, and a 21 MM opening. It is designed for fastener removal and installation in automotive, mechanical, and general trade applications. The 6-point geometry applies force to the flats of fasteners rather than the corners, which reduces the risk of rounding under load. Large, hard-stamped size markings make identification fast in the field. At 0.26 pounds, the socket is lightweight without sacrificing durability. Licensed trades and skilled mechanics reaching for reliable hand tools in tight or demanding service conditions will find this socket a dependable choice.
This socket fits standard 3/8 inch drive ratchets, extensions, and torque wrenches. The full polish chrome finish resists corrosion and simplifies cleaning after use. It is suited for use in residential and commercial mechanical work, fleet maintenance, equipment service, and general shop environments where a 21 MM fastener size is common. The single-piece chrome construction handles the repeated stress of everyday professional use.
Designed as an OEM-style replacement or direct addition to 3/8 inch drive socket sets requiring a 6-point 21 MM socket.
Seat the socket fully onto the drive ratchet or extension before applying torque to prevent slippage. Power down or de-energize any equipment before accessing fasteners in electrical or mechanical enclosures. Inspect the socket for cracks or wear before each use and remove it from service if damage is found. Always match the drive size of the socket to the drive size of the ratchet or torque wrench being used.
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