Product: Sunex 2504, 1/2 Inch Drive Impact Extension Set, 4 Piece, SAE, 3 Inch - 15 Inch, Cr-Mo Steel, Radius Corner Design, Wobble Drive, Steel Ball Retainer, Dual Size Markings, with Storage Tray
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.
WOBBLE DRIVE: Provides 15-degree offset in all directions.
STEEL BALL RETAINER: Designed on male end.
DUAL SIZE MARKINGS: Laser etched and roll stamped markings to ensure permanent identification.

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