Sunex 2500 Impact Extension Set, 1/2 Inch Drive, 3, 5, 10, 15 Inch Lengths, 4 Piece

Sunex 2500 Impact Extension Set, 1/2 Inch Drive, 3, 5, 10, 15 Inch Lengths, 4 Piece

• Sunex 2500 is a 1/2 inch drive impact extension set designed to extend reach for fastener access. It includes 3, 5, 10, and 15 inch extensions made from CR-MO alloy steel with a black phosphate finish and high-visibility laser markings. This is a stand-alone set, not a replacement part for a specific SKU.
• Features:
  • CR-MO alloy steel construction supports high torque impact use for durability in shop environments.
  • Black phosphate finish helps resist corrosion and surface wear for longer service life.
  • High-visibility laser etching and stamped size markings aid quick identification during service.
  • Steel ball retainer on the male end helps secure sockets for safer operation.
  • Heavy-duty molded storage case keeps all four extensions organized for transport and bench storage.
  • General application extensions for 1/2 inch drive impact tools; not a replacement part for a specific tool or SKU.
• Includes:
  • 1/2 inch drive, 3 inch impact extension (2503)
  • 1/2 inch drive, 5 inch impact extension (2505)
  • 1/2 inch drive, 10 inch impact extension (2510)
  • 1/2 inch drive, 15 inch impact extension (2515)
• Specifications:
  • Manufacturer: Sunex
  • Part Number: 2500
  • Drive Size: 1/2 inch
  • Lengths Included: 3 inch, 5 inch, 10 inch, 15 inch
  • Material / Finish: Chrome molybdenum steel with black phosphate finish
  • Retention: Steel ball retainer on male end
  • Markings: High-visibility laser etch with permanent stamped IDs
  • Storage: Heavy-duty blow molded case
  • Standards: Meets or exceeds ANSI and ASME performance requirements
  • System Compatibility / Application: For use with 1/2 inch drive impact wrenches, ratchets, or breaker bars to extend reach; not a replacement part for a specific SKU
  • Quantity: 4 distinct extensions
• The Impact Extension Set can also be referred to as impact extension set, 1/2 inch drive extension set, CR-MO impact extensions, 4 piece extension set, and 3 inch to 15 inch impact extensions.

Sunex designs professional impact accessories and sockets for automotive and industrial service, combining chrome molybdenum materials, protective finishes, and clear size markings to deliver reliable performance with impact tools.

Q: Can I stack extensions to reach deeper fasteners?
A: Yes, extensions can be connected to increase reach. For best results, avoid excessive stacking which can reduce torque transfer and control.

Q: Do the extensions have a retention feature to hold sockets?
A: Yes. The male end includes a steel ball retainer to help keep sockets attached during use.

Q: Are these standard or wobble extensions?
A: This 2500 set contains standard impact extensions in 3, 5, 10, and 15 inch lengths. Sunex also offers separate wobble versions as individual SKUs.