Description
US PRO Tools 8-Piece Heavy-Duty Impact Socket Adaptor and Reducer Set (Model 3477)
Product Overview
The US PRO Tools (Model 3477) is an extensive 8-piece master impact adaptor and reducer set designed for heavy-duty commercial and industrial workshops. Spanning drive sizes from compact 1/4″ up to massive 1″ square drives, this kit bridges extreme cross-drive incompatibilities, allowing technicians to pair any socket with heavy pneumatic or high-torque impact wrenches.
Key Features & Specifications
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Comprehensive Master Assortment: Includes a wide range of heavy-duty step-up adaptors and step-down reducers spanning 1/4″, 3/8″, 1/2″, 3/4″, and 1″ drive sizes.
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Heavy-Duty Impact Construction: Forged from high-strength alloy steel, heat-treated and tempered to withstand the extreme torsional stress of high-capacity industrial impact tools.
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Corrosion-Resistant Phosphate Finish: Coated with a protective black phosphate finish to guard against workshop oils, grease, and rust.
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Secure Ball Detent: Equipped with robust spring-loaded locking mechanisms to keep sockets and drives securely fastened during high-torque operation.
Core Workshop & Automotive Applications
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Commercial & Industrial Servicing: Bridging heavy-duty 3/4″ and 1″ drive pneumatic impact guns down to standard socket sizes for large commercial vehicles, plant machinery, and agricultural equipment.
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Universal Workshop Flexibility: Eliminating the need for multiple dedicated tool sets by cross-pairing drives across every scale of equipment.
What’s in the Box
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8x Heavy-Duty Impact Adaptors and Reducers (Assorted sizes spanning 1/4″ to 1″ drives)
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Storage Holder / Rail








