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The Sunex 3351 3/8” Drive Impact Socket Set includes metric sizes from 7mm to 22mm in standard, deep, and universal lengths. This set includes a universal joint, a 3” impact extension, and a ¼” bit holder socket. Each socket has been forged from high-grade Cr-Mo steel, designed with radius corners, made with chamfered openings, and marked by both laser etching and roll stamping to ensure permanent socket identification. All of this ensures our sockets’ professional-level performance–conveniently stored in one heavy-duty storage case. Meets ANSI Standards.


  • Cr-Mo Steel: Provides the strength and flexibility to handle high torque impact tools.
  • Radius Corner Design: Reduces wear and increases the torque on fasteners by placing force on fastener walls rather than fastener corners.
  • Chamfered Opening: Quickly aligns fastener to the 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.
  • Meets ANSI Standards: All sockets are rigorously tested, ensuring peak performance and durability.
  • 51 Piece Set; Metric: 7mm to 22mm; Includes 1/4” BIT HOLDER SOCKET
  • 3” Impact Extension: Provides access to recessed fasteners.
  • Universal Joint: Adapts any socket for use in swivel applications.


  • Brand: Sunex Tools
  • Item Weight: 11.25 Lbs
  • Dimensions (LxWxH): 17 x 13.2 x 2.8 Inches
  • Size: 3/8″
  • Material Chrome Molybdenum: Steel
  • Number Of Pieces: 51
Weight 1 lbs