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The Milwaukee M12 FPTR INSIDER™ 21mm Hex Socket (model 683434039) is designed for use with the M12 FUEL™ INSIDER™ Brushless Extended Reach Ratchet. Featuring a non-through-hole design, this socket enables access in tight spaces, making it ideal for fastening or loosening bolts and nuts in confined areas.
| Model | 683434039 |
|---|---|
| Socket Size | 21mm hex |
| Compatible Tool | M12 FUEL™ INSIDER™ Brushless Extended Reach Ratchet |
