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Milwaukee 45-34-8021 | 3/8" Drive 21mm Socket | Chrome Vanadium Steel construction
Part Number : 45-34-8021
Milwaukee catalogue number 45-34-8021 is the 3/8" Drive 21mm Socket, a socket with Chrome Vanadium Steel construction. It uses a 3/8" square drive. It is sized for 21 mm fasteners. It is used with a square-drive handle to tighten and loosen nuts and bolts. It fits a matching square-drive ratchet, extension or breaker bar to turn hex fasteners. Mechanics use sockets like this for automotive, plant and general maintenance work.
Key features
- Stamped size markings for easy reading
- Chrome finish
- Socket geometry designed to reduce fastener rounding
- 6-point socket profile
- Corrosion-resistant finish
- Standard depth socket
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