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5 Piece 3/8 Inch Nano Drive Size Adapter Set - Astro Pneumatic

Part #: 78305

The Astro Pneumatic 78305 5 Piece 3/8 Inch Nano Drive Size Adapter Set is engineered to significantly expand the capabilities of nano ratcheting wrenches. This versatile set allows professional technicians and mechanics to utilize traditional square drive sockets and hex bit accessories in confined and hard-to-reach spaces where full-size tools cannot fit. It provides essential adaptability, enabling seamless transitions between various drive styles without requiring a change in tools.

Key Features

  • Nano Drive Compatibility: Specifically designed with 17mm outside hex adapters to integrate with Astro Pneumatic nano ratcheting wrenches, supporting traditional socket and hex bit designs.
  • Versatile Drive Options: Includes 3/8" drive square adapters in 1/4", 3/8", and 1/2" sizes, enhancing the utility of your nano tools with a broader range of sockets.
  • Wobble Adapter for Enhanced Access: Features a 3/8" wobble adapter, providing improved flexibility and reach around obstructions and in tight fastener locations.
  • Secure Bit Retention: A stubby magnetic 1/4" hex bit socket ensures bits are held securely in place, minimizing dropped hardware and boosting operational efficiency.
  • Professional-Grade Construction: Crafted from high-strength steel with a protective black coating, these adapters are built for reliable performance and exceptional longevity, even under high torque and repeated use in demanding shop environments.
  • Compact Design: The nano drive form factor reduces tool overhang, improves balance, and allows for precise fastener engagement in extremely tight areas.

Applications

This adapter set is ideal for professional technicians undertaking detailed mechanical work that demands precision and maneuverability. It is particularly well-suited for routine vehicle maintenance, including bracket removal, and intricate trim or engine work where standard extensions and adapters prove too bulky. The set expands the functionality of nano ratcheting wrenches across automotive, industrial, and general mechanical projects, ensuring the right tool is available for challenging angles and mismatched tool sizes.

Specifications

  • Socket Adapter Material: Steel
  • Adapter Outside Hex Size: 17mm
  • Total Weight: Approximately 1 lb (for the set)
We have 228 in stock Inventory available from other suppliers, prices may be different
List: $56.50 Save: $20.18

$36.32

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  • Model: 423010
  • Shipping Weight: 0.65lbs
  • UPC: 745227086313
  • Manufacturers Part #: 78305
  • Manufactured by: Astro Pneumatic
  • Also Known As: AST78305, AO78305, AST-78305

This product was added to our catalog on Tuesday 14 April, 2026.

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