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Astro Pneumatic Tool Company

Astro Tools 783105 Flex Head Nano Ratchet Wrench

  • 10.5 inch overall length with a flex head
  • 17 millimeter jaw capacity, metric
  • 12-point socket end
  • Ratcheting, manual operation
  • 12.32 ounces, polished metal body
  • Sold as one wrench, no sockets listed

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A hand ratchet wrench for metric fasteners in cramped spots, where a flexing head helps reach around obstacles. It is not listed as spark-resistant, so keep it out of fuel-vapor work.

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ASIN: B01JBIO7E6Model: 783105Category: Wrenches

Overview

Not a socket set and not a power tool, this is a single manual ratchet wrench with a flexing head and a socket end. The head pivots to reach fasteners at an angle, and the ratcheting action lets the user turn without lifting the tool off the nut.

The flex head and the long handle give leverage and reach where a rigid wrench would bind. The limit is scope: one size of opening, metric only, and no accessories in the box.

Who it's for

Automotive technicians and hobby mechanics who turn metric hardware in crowded spaces get a wrench whose head can angle around brackets. Workers in explosive atmospheres should look elsewhere, and so should owners of inch-sized fasteners.

Pros and cons

Pros
  • Flexing head reaches angled fasteners
  • Ratcheting action saves repositioning
  • Polished metal body wipes clean
Cons
  • Metric size only
  • Not listed as non-sparking
  • No sockets or case included
  • Warranty terms not spelled out

Performance notes

The flex joint trades some rigidity for reach, so the tool works best when the fastener is already loose and the handle can be pulled straight. A ratcheting mechanism swings freely in one direction and grips in the other, which speeds up long runs of bolts. A polished finish does not make the tool spark-safe.

Specifications

BrandAstro Pneumatic Tool Company
Model783105
Dimensions & fit
Item Length10.5 Incheshigher than 63% of 338 wrenches
Wrench Length StyleFlex-Head
Item weight12.32 ounces
Capacity & performance
Jaw Capacity17 Millimeters
Construction & materials
Material TypeMetal
Finish TypesPolished
ColorBlue/Silver
Included components
Unit Count1.0 Count
Warranty & support
Manufacturer Warranty DescriptionManufacturer Warranty
Other details
Measurement StandardMetric
Head StyleFixed Ratchet
End StyleSocket End
Operation ModeManual
Is RachetingYes
Is Non SparkingNo
Point Count12

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Frequently asked questions

What is included with the Astro 783105 ratchet wrench?

The listing names one 10.5 inch long flex head nano socket ratchet wrench and nothing else, so sockets and a case are not part of the package.

Is the Astro 783105 a spark-resistant tool?

No. The listing states that it is not non-sparking.

Does the Astro 783105 work with inch fasteners?

The measurement standard is metric, with a 17 millimeter jaw capacity, so inch-sized hardware needs a different tool.