The Crescent CIMSA3N Impact Extension Bar is a rugged, high-performance accessory designed to extend the reach of your impact sockets in tight or recessed areas. Built for professional mechanics, technicians, and serious DIYers, this 5-inch extension delivers strength, reliability, and precision in demanding environments.

Key Features:

• Drive Size: 1/2 inch square drive – compatible with standard impact wrenches and sockets
• Length: 5 inches – ideal for reaching fasteners in deep or obstructed spaces
• Material: Made from Crestoloy® chrome molybdenum alloy steel (Cr-Mo) for exceptional durability and resistance to wear
• Finish: Black oxide coating provides corrosion resistance and a sleek, professional appearance
• Retention Mechanism:
  • Ball detent ensures secure socket retention during high-torque applications
  • Non-locking design for quick and easy socket changes

Performance & Standards:

• Impact Rated: Specifically engineered for use with impact drivers and pneumatic tools
• Compliance: Meets or exceeds ASME B107.33M specifications for safety and performance
• Laser-Etched Markings: Easy-to-read size identification for quick tool selection
• Weight: Approximately 0.53 lbs (8.4 oz) – lightweight yet robust

Specifications:

• Model Number: CIMSA3N
• UPC: 037103321541
• Finish Type: Black Phosphate
• Measurement System: Imperial
• Packaging: Hang tab or carded retail packaging
• Country of Origin: Typically manufactured in Taiwan or China
• Warranty: Backed by Crescent’s full satisfaction guarantee
• Prop 65 Warning: Contains chemicals known to the State of California to cause cancer and reproductive harm

Applications:

• Automotive repair and maintenance
• Heavy equipment servicing
• Industrial assembly and disassembly
• Construction and framing
• Any job requiring extended reach in high-torque environments