Astro Tool 78320 20pc 3-8in Drive Nano Impact Socket Set – Outside Hex, Torx, Metric Hex & Triple Square

Astro Tool 78320: A Compact, Versatile Socket Set for Tight Spaces

Designed for professionals and DIY enthusiasts, the Astro Tool 78320 20pc 3/8in drive nano impact socket set blends a compact footprint with a broad bit selection. Each socket features a 17mm outside hex for low-profile side access, enabling use in cramped areas or with Astro Nano wrenches. The assortment covers metric hex, Torx, and Triple Square fasteners, making it a flexible choice for many projects without needing multiple tool sets.

In everyday work, the benefit of a well-organized toolkit becomes clear. The V12-style magnetic socket storage rail includes 1/8-turn locking retention, so you can attach it to a toolbox or keep it secured in a drawer. This setup supports quick, one-handed socket removal, helping you stay focused on the task at hand rather than rummaging for the right bit.

What’s Included and Key Sizes

• 20 sockets in a 3/8in drive with stubby, impact-rated design for tight spaces
• Metric Hex: 6, 7, 8, 9, 10, 12mm
• Torx: T25, T27, T30, T40, T45, T47, T50, T55
• Triple Square: M6, M8, M10, M12, MT14, MT16

Storage, Access, and Workflow

• V12-style magnetic storage rail with 1/8-turn locking retention for secure, one-handed removal
• Rail can be mounted to toolboxes or kept in place in drawers for fast access

Real-World Scenarios and Benefits

Whether you’re performing automotive maintenance, motorcycle tune-ups, bicycle repairs, or appliance servicing, this set is designed to deliver a broad range of fasteners in a compact package. The outside-hex design supports low-profile side access, while the included bit variety helps you address common metric hex, Torx, and triple-square fasteners found on many modern machines. The magnetic rail keeps the collection ready at hand, reducing time spent searching and increasing efficiency during busy work sessions.

Note that while results can vary by task, users may find that the 3/8in drive and stubby profile offer a comfortable balance between torque and clearance. The combination of metric hex, Torx, and triple-square bits provides a versatile toolkit for a wide array of maintenance tasks, without needing to swap to multiple sets mid-job.