US PRO 3479 14 Piece 1/4 Inch Drive 6 Point Deep Impact Socket Set
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When precision and power meet compact design, you get a set built for impact performance without bulk. The US PRO 3479 14 Piece 1/4" Drive 6 Point Deep Impact Socket Set delivers a comprehensive range of commonly used metric impact sockets for engine work, interior fasteners, light-duty mechanical jobs, mobile service calls, and professional workshops.
Each socket in this set is manufactured from chromium molybdenum (CR-MO) steel, heat treated to a robust HRC45–47 to withstand impact forces while minimising wear. The 6 point profile enhances grip on fasteners to reduce rounding, and the short 50mm depth ensures easy access where space is limited. A protective black phosphate finish improves resistance to corrosion and everyday workshop wear.
The full set covers metric socket sizes from 4mm up to 15mm, all supplied on a handy storage rail for organisation and fast selection.
Key Features
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Complete set of 14 deep impact sockets covering 4mm to 15mm
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1/4" square drive compatible with ratchets and small impact tools
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6 point socket profile for secure engagement
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Chrome molybdenum (CR-MO) forged steel for strength and durability
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Heat treated to HRC45–47 for impact resistance
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Black phosphate finish for corrosion protection
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Supplied on a rugged storage rail for organisation
Specifications
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Drive Size: 1/4 inch
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Socket Points: 6 point
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Socket Length: 50mm (deep)
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Material: Chrome Molybdenum (CR-MO) steel
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Hardness Rating: HRC45–47
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Finish: Black phosphate
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Sizes Included:
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4mm
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4.5mm
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5mm
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5.5mm
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6mm
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7mm
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8mm
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9mm
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10mm
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11mm
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12mm
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13mm
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14mm
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15mm
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Storage Included: Socket rail
What’s in the Box
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14 x 1/4" drive deep impact sockets on storage rail
