Astro Pneumatic ONYX 1822 Nano 1/2 in Impact Wrench + 15pc Nano

In this review the Astro Pneumatic ONYX 1822 Nano 1/2 in impact wrench paired with the 15pc low profile nano impact socket set is recommended for mechanics and DIYers who need maximum torque in tight spaces. The single biggest reason to buy is the combination of extreme short profile and strong twin hammer motor that delivers up to 500 ft-lbs of max torque while remaining exceptionally compact at under 3.9 in overall length. The package excels where access is limited but power cannot be compromised.

Key Features

• Ultra compact length: At less than 3.85 in full length the impact slips into tight engine bays and cramped suspension areas where standard impacts cannot reach.
• High torque motor: The upgraded v2 motor with ported exhaust produces up to 500 ft-lbs of max torque for stubborn fasteners while staying lightweight for extended use.
• Three speed settings: Three forward and three reverse settings give control for delicate starts and full-power removal without swapping tools.
• Twin hammer design: The innovative twin hammer delivers consistent impacts and improved reliability under heavy use.
• Compact socket set: The 15pc 1/2 in drive low profile nano sockets range 10mm to 24mm and are 1.10 in long to increase access in confined spaces.
• Durable materials: Sockets are forged CR-MO with thicker material between body and drive for better longevity under impact loads.

Who It's For

This kit is ideal for professional technicians, mobile mechanics, and dedicated DIYers who frequently work in tight engine compartments, under dash areas, or on suspension components where space is limited but higher torque is required. The compact wrench and stubby socket set make fast work of recessed bolts and studs without sacrificing power.

Those who primarily need a general shop impact for long-reach jobs or who prefer cordless electric tools may look elsewhere; this combo is optimized for air supply use (8 CFM suggested) and tight-access tasks rather than full-size demolition work.

Pros & Cons

Pros

• Compact form factor provides superior access in confined spaces compared with standard impacts.
• High peak torque and improved v2 motor deliver strong removal power in a lightweight package.
• Complete metric socket set with 10mm to 24mm sizes and outside hex makes wrenching fast and versatile.
• Forged CR-MO sockets offer durable construction and thicker walls where it matters most.

Cons

• Build quality impressions are mixed among users, so careful handling and proper maintenance are advised to maximize life.
• Requires an adequate air supply and Hi-Flo fittings to reach rated performance, so compressors and hoses must match the tool's demands.

Specifications

Tool model	1822 ONYX v2 Nano 1/2 in impact wrench
Max torque	500 ft-lbs (max)
Overall length	Less than 3.85 in
Weight	Approximately 3.0 lbs
Air requirement	8 CFM recommended
Socket set	15pc 1/2 in drive low profile nano sockets, 10mm to 24mm
Socket length	1.10 in (28 mm)

Our Verdict

The ONYX 1822 Nano impact wrench paired with the 15pc low profile socket set is a smart buy for anyone who must combine compact access with serious torque. It represents good value for professionals and enthusiasts who work in confined areas and need reliable removal power, provided the user supplies proper air flow and treats the tool with routine care.

Frequently Asked Questions

Will this wrench reach recessed bolts?
Yes, the sub-3.9 in overall length and the 1.10 in low profile sockets are specifically designed for recessed and tight fastener locations.

How much air does the tool need?
The tool is rated around 8 CFM; using Hi-Flo fittings and a compatible compressor helps achieve the stated torque and performance.

What sizes are included in the socket set?
The set includes metric sizes from 10mm through 24mm with no skipped sizes, covering common automotive and mechanical fasteners.