Description
US PRO 5-Piece 1/2-Inch Drive Extension Bar Set (50–375mm)
Product Overview
The US PRO 5-Piece 1/2-Inch Drive Extension Bar Set is a heavy-duty professional socket accessory kit engineered to provide hard-to-reach access across automotive chassis, machinery, and deep engine bays. Fabricated from hardened chrome vanadium steel, this comprehensive set bridges the gap between your ratchet and socket when working around obstacles.
Key Features & Specifications
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Standard 1/2-Inch Drive: Fully compatible with all 1/2-inch drive ratchets, breaker bars, torque wrenches, and impact adapters.
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Comprehensive Length Assortment: Includes five distinct extension lengths to suit shallow and deep-reach applications:
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50mm (2-inch)
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75mm (3-inch)
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125mm (5-inch)
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250mm (10-inch)
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375mm (15-inch)
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Durable Construction: Forged from high-grade chrome vanadium steel, heat-treated for maximum torsional strength, and finished with a polished corrosion-resistant chrome coating.
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Secure Socket Retention: Spring-loaded ball bearings on the male drive ends lock sockets firmly in place during operation.
Core Workshop & Automotive Applications
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Deep Engine Bay Access: Reaching flywheel bolts, bellhousing fasteners, and suspension components buried deep behind auxiliary equipment.
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Obstacle Clearance: Extending your reach past crossmembers, exhaust pipes, and structural chassis frames.
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Torque Extension: Pairing with breaker bars to apply leverage safely away from tight pinch points.
Software License & Updates
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Standalone Equipment: This product is a physical mechanical tool set requiring no software updates or electronic licensing.
What’s in the Box
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1x 50mm (2″) 1/2″ Dr. Extension Bar
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1x 75mm (3″) 1/2″ Dr. Extension Bar
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1x 125mm (5″) 1/2″ Dr. Extension Bar
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1x 250mm (10″) 1/2″ Dr. Extension Bar
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1x 375mm (15″) 1/2″ Dr. Extension Bar









