Astro Tools 78319 Nano Impact Socket Set 19 Piece
- 19 pieces, 3/8 inch drive
- 6 to 24 millimeter sockets, metric
- Low profile nano impact design
- Chrome molybdenum steel, painted finish
- 0.77 kilograms for the set
- Lifetime manufacturer warranty
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A metric impact socket set sized for working in confined engine and chassis spaces. It is a set of sockets only, so a ratchet or impact gun is a separate purchase.
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ASIN: B01JBOT9U2Model: 78319Category: Wrenches
Overview
A ratchet-ready socket set built around a thin wall and a short body, so each piece can reach fasteners where bulky sockets cannot. The sockets use an external hex drive system, and the listing marks them for hand tools and impact drivers.
Clearance is the reason to look at it, as the low profile design reaches bolts that crowd the wall of a standard impact socket. The limitation is that only metric sizes are covered and no driver is included.
Who it's for
Shop mechanics who tackle tight bolts with an impact gun get a full run of metric sizes in one set. A home user who only owns inch hardware or has no impact tool will find less use in it.
Pros and cons
- Metric range in one set
- Low profile for tight clearance
- Lifetime warranty listed
- Works with hand tools and impact drivers
- Metric sizes only
- No ratchet or driver included
- Case or storage not listed
- Painted finish may wear in heavy use
Performance notes
Thin walls and a short body give access around nearby parts, though less steel around the bolt means the sockets wear faster under heavy impact use. Chrome molybdenum steel is the material listed for impact work. The no skips description refers to an unbroken size run across the range.
Specifications
| Brand | Astro |
|---|---|
| Model | 78319 |
| Dimensions & fit | |
| Item Length | 0.88 incheslower than 96% of 338 wrenches |
| Item weight | 0.77 kg |
| Construction & materials | |
| Material Type | Chrome Molybdenum Steel |
| Finish Types | Painted |
| Compatibility & installation | |
| Bit Compatibilities | Hand tool, impact driver |
| Included components | |
| Number Of Pieces | 19 |
| Included Components | 19pc 3/8 inch drive low profile nano impact socket, 6-24mm |
| Unit Count | 1 Count |
| Warranty & support | |
| Manufacturer Warranty Description | Lifetime |
| Other details | |
| Drive System | External Hex |
| Drive Bit Shank Style | Standard |
| Bit Set Composition | Bit Set |
| Drive Bit Application | Automotive |
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Frequently asked questions
What sizes are in the Astro 78319 socket set?
The set covers 6 to 24 millimeters across 19 pieces, with no skips in the run.
Do I need an impact wrench for the Astro 78319 sockets?
No. The listing marks them as compatible with hand tools as well as impact drivers.
Does the Astro 78319 come with a ratchet?
The included components list only the 19 piece socket set.