1/2 Inch Air Ratchet Wrench - SONIC Pneumatic Ratchet

Square drive ½’’’

Capacity bolt size ½’’

Free speed 150 rpm

Overall length 10 - 1/4” ( 260 mm)

Max torque 45 ft - lb ( 61 N - m)

Air consumption 4.0 cfm (113 l/min )

Recommended air pressure 6.5 kg/cm2

Air inlet (PT) ¼”

Air hose (ID) 3/8”

Net weight 1.2 kgs (2.7lbs )

Made in Taiwan

Warranty: 3 Months

The SONIC 1/2" Air Ratchet Wrench (Model ST-5553) is a high-performance, industrial-grade pneumatic ratchet wrench 1/2" drive tool engineered specifically for high-speed fastening operations in highly confined spaces. Manufactured with precision engineering in Taiwan, this heavy duty air ratchet wrench provides a compact design that easily slips into tight vehicle engine compartments, dashboard assemblies, and industrial machinery bays where standard hand tools simply cannot fit or swing.

Equipped with a robust 3-planetary gear reduction mechanism, this professional air ratchet delivers an optimal balance of speed and controlled twisting power, offering a free speed of 150 RPM and a maximum working torque of 61 Nm (45 ft-lb). This allows automotive mechanics and assembly line operators to rapidly spin nuts and bolts without straining their wrists or twisting the tool. The lightweight aluminum body, weighing only 1.2 kg, features an ergonomic grip design for comfortable, single-handed operation over extended shop shifts.