Product: Sunex 3580, 3/8 Inch Drive Master Impact Socket Set, 80 Piece, SAE/Metric, 5/16 Inch - 3/4 Inch, 8mm - 19mm, Standard/Deep/Universal, Cr-Mo, Radius Corner, Chamfered Opening, Dual Size Markings, Heavy Duty Storage Case, Includes Star and Inverted Star Soc
Brand: Sunex Tools
CR-MO STEEL: Provides the strength and flexibility to handle high torque impact tools.
RADIUS CORNER DESIGN: Reduces wear and increases torque on fasteners by placing force on fastener walls rather than fastener corners.
CHAMFERED OPENING: Quickly aligns fastener to socket.
DUAL SIZE MARKINGS: Laser etched and roll stamped markings to ensure permanent socket identification.
HEAVY DUTY STORAGE CASE: Convenient impact socket transport and storage.

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