SQUARE 3/8 DRIVE SOCKET: This is a 3/8 inch Female socket with black phosphate coating enhances corrosion resistance and durability
4-POINT SQUARE DESIGN::The 4 point square configuration can better clamp the fasteners, and the 4-corner chamfered end face reduces the risk of rounded corners during use
IMPACT SAE SOCKET: Made of forged high-quality chrome molybdenum steel, it can withstand high torque and heavy impact, ensuring normal disassembly even in the face of old and rusty square nuts
PRECISION FEMALE SOCKET: The angled end face of the pipe plug socket ensures precise insertion, increases contact area for a tighter connection, and has a pin hole to ensure a secure connection and prevent it from falling off during use
WIDE APPLICATION: The material and size of the laser marked square socket make it clearly visible in the square nuts of hydraulic and pneumatic systems used for repairing old equipment, cars, and tractors