Great Wall Impact Wrench Socket 3/4 Hex Air Impact Socket Electric Pneumatic Wrench Socket Head 38mm 568538

National-level Specialized and New Enterprise ("Little Giant")

Recognized by the State Administration for Industry and Commerce Trademark Office

Famous Trademark

Ningbo Great Wall Precision Industrial Co., Ltd.

Ministry of Industry and Information Technology Certification

Zhejiang Famous Brand

Intellectual Property Management System Certification

2013 China Gold Award

Safety Production Standardization Certificate

Made from Cr-V (Chromium-Vanadium) cold forged steel with superior comprehensive mechanical properties

Cr-Mo (Chromium-Molybdenum) alloy used in certain models

High-temperature forging at 1050°C and tempering

Low-temperature ice forging at -180°C to improve toughness and prevent chipping

Black phosphating surface treatment for corrosion resistance and durability

CNC machined for precision

Industrial-grade, full-scene tool solutions

Hexagonal pneumatic sockets series

Green knife-edge design for better compression and performance