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Three silver 1/2 inch drive extension bars

Powerbuilt

Powerbuilt 640846 3 Piece 1/2" Drive Extension Bar Set

SKU CH-W1AV-0HX74

Three-piece 1/2-inch drive extension bar set provides extra reach for sockets in tight automotive spaces

  • Quality gradePerformance
  • Product typeOther Accessories
  • 3-piece set provides versatile reach for tight fasteners
  • 1/2" drive fits standard impact sockets and ratchets
  • Performance-grade steel resists rounding under high torque
  • Silver finish protects against corrosion in workshop conditions
  • Backed by Alltrade Tools' manufacturing experience since 1979

Powerbuilt 640846 Extension Bar Set

This three-piece set provides 1/2-inch drive extension bars for reaching fasteners in confined spaces. It is built for professional mechanics and serious home users who need reliable access on automotive and heavy-equipment jobs.

Suited for deep-reach bolting work

Technicians who regularly service engine bays, suspension components or transmission housings will find the extra length useful. Buyers who only need a single fixed length or who work exclusively with smaller drive sizes should look at something else.

1/2-inch square drive compatibility

Every bar in the set matches the standard 1/2-inch drive profile used on most heavy-duty ratchets and impact sockets. Confirm that your existing tools share this drive size before purchasing.

How it compares

Measured against everything we stock in Headlights & Car Lighting, at today’s prices. Recalculated every night.

Price $14.99
Cheaper than about 85% of the 921 comparable items (median $30.99).

Specifications

Product
Product typeOther Accessories
Quality gradePerformance

Questions about this item

What does the 1/2" drive size mean when I attach these bars to my ratchet?

The 1/2" drive matches standard 1/2" square-drive ratchets and sockets, letting you extend reach without changing tools.

Which standard governs the 1/2" square drive on these extension bars?

The bars follow the common 1/2" square-drive standard used across professional and DIY tool ranges.

What physical space do I need to fit these extension bars in my tool drawer?

Each bar is a straight steel shaft with a 1/2" square drive at both ends, designed to sit in standard socket-rail organisers.

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