Hi-Spec 1/2" Drive Impact Socket Extension Bars in 75mm, 125mm, 250mm, and 375mm lengths—built to bring the torque where your wrench can’t reach:
Hi-Spec 1/2" Drive Impact Extension Bars – Reach Further, Wrench Harder When tight spaces and deep-set bolts stand in your way, the Hi-Spec Impact Extension Bars step up. Designed for high-torque impact tools, these rugged extensions are forged from heat-treated chrome vanadium or chrome molybdenum steel for maximum strength and durability. Whether you're working under the hood, beneath the chassis, or behind the workbench, these bars give you the extra reach and resilience to get the job done—without compromising on power or precision.
📏 Specifications by Length
| Length |
Drive Size |
Material |
Finish |
Features |
| 75mm |
1/2" |
Cr-V or Cr-Mo Steel |
Black phosphate or satin |
Compact reach for confined engine bays and tight corners |
| 125mm |
1/2" |
Cr-Mo Steel |
Corrosion-resistant |
Ideal for general automotive and mechanical access |
| 250mm |
1/2" |
Cr-Mo Steel |
Black oxide or phosphate |
Extended reach for deep-set fasteners and underbody work |
| 375mm |
1/2" |
Cr-V or Cr-Mo Steel |
Mirror polish or phosphate |
Maximum reach for hard-to-access bolts in industrial or heavy-duty tasks |
🔩 Common Features
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Impact Rated: Built to withstand pneumatic and electric impact wrench torque
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Secure Fit: Ball detent or spring-loaded locking ball for socket retention
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Standards Compliant: Meets or exceeds DIN and ANSI specifications
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Applications: Automotive, industrial, construction, and mechanical maintenance
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Storage: Sold individually or in sets; some models include socket rails or clips
