- Powerbuilt sockets feature chrome vanadium construction.
- Standard and deep well socket lengths exceed ANSI standards and have the center hole punched through for additional working depth on the work surface.
- Powerbuilt chrome sockets feature HV high visibility size markings that are three times larger for easy size selection.
- Finally Powerbuilt sockets feature Z-Drive®, contacting the flat walls of fasteners for stronger grip.
- Lifetime factory warranty.
- 3/8" drive 21mm deep well 6 point socket
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