Sealey Air Ratchet Wrench 1/2"Sq Drive | GSA21

Sealey GSA21 1/2" Square Drive Air Ratchet Wrench (Generation Series)

Sealey GSA21 air ratchet wrench is a 1/2" square drive pneumatic ratchet designed to speed up fastening and removal work in tight spaces, helping you work more efficiently than with a hand ratchet.

With a compact 280mm body and 360° adjustable exhaust, the GSA21 is well-suited to workshop and vehicle maintenance tasks where control, access and operator comfort matter.

Key Features

• 1/2" square drive: Ideal for common workshop sockets and fasteners where a larger drive size is preferred.
• 45lb.ft (61Nm) maximum torque: Helps break and run fasteners quickly during servicing and repair tasks.
• 150rpm free speed: Designed for rapid run-down and removal in repetitive fastening work.
• Contoured soft-grip handle: Improves comfort in use and helps insulate against cold, vibration and fatigue.
• Finger-operated trigger & textured grip: Offers better control, including when working with oily or greasy hands.
• 360° directional exhaust: Lets you direct airflow away from the operator and sensitive work areas.

Specifications at a glance

Suitable applications

• Vehicle servicing and mechanical repair where access is restricted (e.g. engine bay work).
• Workshop fastening and removal tasks requiring a powered ratchet action.
• Jobs where directing exhaust air away from the user improves comfort and visibility.