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Air Ratchet & Pneumatic Ratchet Wrenches — NZ Shop & Guide

Introduction
An air ratchet (also known as a pneumatic ratchet wrench) is a professional workshop tool powered by compressed air that makes fast tightening and loosening of bolts and nuts much quicker and easier than manual ratchets. These tools deliver reliable torque with smooth control — ideal for automotive, mechanical and industrial applications.

Why Use an Air Ratchet?

Air ratchets offer key benefits for NZ trades and mechanics:

  • Fast operation: Rapid reciprocating action speeds up loosening/tightening tasks.

  • Torque in a compact size: Great for working in tight spaces under bonnets or machinery.

  • Precise control: Adjustable throttle lets you manage torque and avoid damage.

  • Durable for workshops: Metal gear trains resist dust and moisture common in harsh environments.

Air Ratchet Sizes & Use Cases

  • 1/4″ Air Ratchet: Best for light work and small bolts — ideal for panel work and mechanics in compact spaces.

  • 3/8″ Air Ratchet: Most popular size — versatile for general automotive and maintenance tasks.

  • 1/2″ Air Ratchet: Heavy‑duty option for larger fasteners and intensive workshop use.

How To Choose the Best Air Ratchet

When selecting an air ratchet:

  • Torque output: Higher torque for tougher fasteners. Check specs on each model.

  • Air consumption: Ensure your compressor can deliver adequate airflow (CFM).

  • Free speed (RPM): Faster tools save time on repetitive tasks.

  • Ergonomics: Comfortable grip and lightweight design improve handling.

Browse Our Air Ratchet Range

Showcasing quality Gison air ratchets in 1/4″, 3/8″ and 1/2″ drive sizes — perfect for workshops, mechanics and trade professionals.


Frequently Asked Questions (Add as FAQ Section)

Q: What’s the difference between 1/4″, 3/8″ and 1/2″ air ratchets?
A: Drive size refers to the socket connection and typical torque range — 1/4″ for light jobs, 3/8″ for general use, and 1/2″ for heavier bolts.

Q: Do I need a special compressor for an air ratchet?
A: Ensure your compressor can supply sufficient CFM at around 90 PSI to power the ratchet continuously.

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  • Gison 1/4" Micro Ratchet GP-854H Gison 1/4" Micro Ratchet GP-854H Gison 1/4" Micro Ratchet GP-854H Gison 1/4" Micro Ratchet GP-854H Gison 1/4" Micro Ratchet GP-854H

    Gison 1/4" Micro Ratchet GP-854H

    Gison 1/4" Micro Ratchetc/w Red protective head cover/boot Stubby TypeAir Exhaust : RearSqrare Drive : 1/4"Max Torque : 22 ft.lb (30 Nm)Net Weight : 0.50 kgLength : 125 mm Air Cons. : 0.11 m3/minAir Inlet : 1/4" Hose Size : 6.5 mmAir Pressure : 90psi (6...

    $220.00 ex GST
  • Gison 3/8" Micro Ratchet GP-855H Gison 3/8" Micro Ratchet GP-855H Gison 3/8" Micro Ratchet GP-855H Gison 3/8" Micro Ratchet GP-855H Gison 3/8" Micro Ratchet GP-855H

    Gison 3/8" Micro Ratchet GP-855H

    Gison 3/8" Micro Ratchetc/w red protective head cover/boot Stubby TypeAir Exhaust : RearSqrare Drive : 3/8"Max Torque : 22 ft.lb (30Nm)Free Speed : 300 RPMNet Weight : 0.50 kgLength : 125 mm Air Cons. : 0.11 m3/minAir Inlet : 1/4" Hose Size : 6.5 mmAir...

    $202.00 ex GST
  • Gison 3/8" Stubby Ratchet GP-855F Gison 3/8" Stubby Ratchet GP-855F Gison 3/8" Stubby Ratchet GP-855F Gison 3/8" Stubby Ratchet GP-855F Gison 3/8" Stubby Ratchet GP-855F

    Gison 3/8" Stubby Ratchet GP-855F

    Gison 3/8" Stubby Ratchetc/w Red protective head cover/boot Air Exhaust : RearSqrare Drive : 3/8"Max Torque : 37 ft.lb (50 Nm)Free Speed : 230 RPMNet Weight : 0.64 kgLength : 165 mm Air Cons. : 0.13 m3/minAir Inlet : 1/4"Hose Size : 6.5 mmAir Pressure :...

    $215.00 ex GST
  • Gison 3/8" Ratchet GP-855B Gison 3/8" Ratchet GP-855B Gison 3/8" Ratchet GP-855B Gison 3/8" Ratchet GP-855B Gison 3/8" Ratchet GP-855B

    Gison 3/8" Ratchet GP-855B

    Gison 3/8" RatchetSquare Drive : 3/8"Bolt Capacity : 6-8 mmMax. Working Torque : 50 ft.lb. (68 Nm)Net Weight : 0.97 kgLength : 254 mmAir Cons. : 0.11 m3/minAir Inlet : 1/4"Hose Size : 6.5 mmSound Pressure : 98 dBAAir Pressure : 90 psiVibration :

    $130.00 ex GST
  • Gison 3/8" Ratchet GP-855GR

    Gison 3/8" Ratchet GP-855GR

    Gison 3/8" Ratchet, H/DutySPECIFICATION Square Drive : 3/8" (10 mm) Max Torque : 55 ft.lb (75 Nm) Net Weight : 1.2 kgs Length : 267 mm Air Cons. : 0.63 m3/min Air Inlet : 1/4" Hose Size (I.D.) : 6.5 mm Sound Pressure : 90 dBA Air Pressure : 90...

    $225.00 ex GST
  • Gison 1/2" Ratchet GP-856GR Gison 1/2" Ratchet GP-856GR

    Gison 1/2" Ratchet GP-856GR

    Gison 1/2" Ratchet, H/DutySPECIFICATION Square Drive : 1/2" (13 mm) Max Torque : 55 ft.lb (75 Nm) Net Weight : 1.2 kgs Length : 267 mm Air Cons. : 0.63 m3/min Air Inlet : 1/4" Hose Size (I.D.) : 6.5 mm Sound Pressure : 90 dBA Air Pressure : 90...

    $235.00 ex GST
  • Gison 1/2" Heavy Duty Air Ratchet GP-857 Gison 1/2" Heavy Duty Air Ratchet GP-857 Gison 1/2" Heavy Duty Air Ratchet GP-857 Gison 1/2" Heavy Duty Air Ratchet GP-857 Gison 1/2" Heavy Duty Air Ratchet GP-857

    Gison 1/2" Heavy Duty Air Ratchet Long GP-857

    Gison 1/2" Heavy Duty Air RatchetSquare Drive : 1/2"Bolt Capacity : 8-13 mmMax. Working Torque : 90 ft.lb (122 Nm)Net Weight : 2.00 kgLength : 360 mmAir Cons. : 0.15 m3/minAir Inlet : 1/4"Hose Size : 6.5 mmSound Pressure : 103 dBAAir Pressure : 90...

    $445.00 ex GST
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