Description
US PRO Tools 4-Piece Impact Adaptor and Reducer Set (Model 3504)
Product Overview
The US PRO Tools (Model 3504) is a 4-piece essential impact adaptor and reducer set engineered to bridge cross-drive mismatches between 1/4″, 3/8″, and 1/2″ drive tools. Designed for professional workshop use, this set allows technicians to pair any socket with mismatched ratchets, breaker bars, or impact wrenches seamlessly.
Key Features & Specifications
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4-Piece Multi-Drive Configuration: Includes the most frequently used step-up and step-down drive conversions across 1/4″, 3/8″, and 1/2″ square drives.
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High-Strength Chrome-Vanadium Steel: Forged from durable Cr-V steel, heat-treated and tempered to absorb high torsional stress without twisting or cracking.
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Corrosion-Resistant Black Phosphate Finish: Treated with a protective black coating to guard against workshop oils, grease, and rust.
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Secure Ball Detent: Equipped with spring-loaded locking ball bearings to keep sockets and drives firmly secured during operation.
Core Workshop & Automotive Applications
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Cross-Drive Adaptability: Converting impact gun or ratchet drives on-the-fly when your preferred socket size doesn’t match your tool’s drive output.
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Versatile Fastening: Eliminating the need for duplicate socket investments by cross-pairing 1/4″, 3/8″, and 1/2″ components.
What’s in the Box
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4x Impact Adaptors and Reducers (Covering 1/4″, 3/8″, and 1/2″ drive combinations)
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Storage Holder / Rail










