SUNEX 3/8" Drive SAE & Metric 6 Point Standard & Deep with Universal Sockets, Star & External Star Bit 87-Piece Master Impact Socket Set

Features and Benefits:

• Master Set - 87 pieces including SAE standard, deep & universal up to �", Metric standard, deep & universal up to 22mm, star up to T55, external star up to E16, plus 1 universal joint and 4 extensions from 3" to 15".
• Universal Access - 360° Rotation - 360° rotation with a 30° offset angle improves access in tight or obstructed areas, allowing faster engagement on hard-to-reach fasteners during automotive, industrial, and heavy-duty jobs.
• CR-MO Alloy Steel - Forged from premium CR-MO alloy steel for superior strength, impact resistance, and long-term durability�ideal for high-torque use with impact wrenches in professional shop environments.
• Radius Corner Design - Engineered with a radius corner design that increases fastener contact, reduces rounding, and improves torque transfer, helping protect fasteners and extend tool life in demanding applications.
• Dual Size Marking - Features high-visibility laser etching and permanent stamped size markings for quick identification, even in low-light or oily shop conditions, ensuring faster, more efficient workflow.
• Heavy-Duty Storage Case - Durable, heavy-duty case keeps sockets protected and organized. Includes a clearly labeled exterior so you can identify the set instantly without opening the case�perfect for mobile or shop use.
• Six-Point Drive - Six-point drive design delivers a stronger, more secure grip on fasteners, reducing slippage and rounding while improving torque transfer for impact tools and high-demand applications.
• Black Phosphate Finish - Protective black phosphate coating offers reliable corrosion resistance, extending tool life and maintaining performance in harsh shop, automotive, and outdoor environments.
• Lifetime Warranty - Backed by a full lifetime warranty with no exclusions. Every impact socket is covered, and service is fast and easy through our SUNEXPRESS online warranty form for hassle-free support.
• Meets ANSI/ASME Standards - Manufactured to meet or exceed ANSI and ASME performance and safety standards, ensuring consistent torque, reliable operation, and professional-grade quality on every job.



The 3887 3/8" Drive SAE & Metric 87 Piece Master Impact Socket Set delivers the complete range, strength, and versatility required for professional automotive, industrial, and heavy duty applications. This comprehensive set includes standard, deep, and universal impact sockets in both SAE and metric sizes, plus star and external star bit sockets, extensions, and a universal joint�giving technicians everything needed for high torque fastening and efficient workflow in the shop or on the jobsite.Forged from premium CR MO alloy steel, each socket provides exceptional impact resistance and long term durability. The six point drive and radius corner design increase fastener contact, reduce rounding, and improve torque transfer, making this set ideal for stubborn or high demand fasteners. Universal sockets offer 360° rotation with a 30° offset angle, improving access in tight or obstructed areas where standard sockets can�t reach.High visibility laser etching and permanent stamped size markings ensure quick identification in low light or oily environments. A rugged, heavy duty storage case keeps all 87 pieces organized and protected, with a clearly labeled exterior for fast recognition.Finished with a corrosion resistant black phosphate coating and manufactured to meet ANSI/ASME standards, this master impact socket set is built for professional performance. Backed by a full lifetime warranty with no exclusions.