ARES 70031 | 1/2-inch Drive Impact Extension Bar Set | 3, 5, and 10-inch Laser Etched Socket Extensions Expand the Range of Impact Drivers DESIGN: Safe for use with all cordless, electric and pneumatic impact wrenches, the bars have Manganese Phosphate coating to resist corrosion and are laser etched for easy identification. Spring-loaded detent balls securely latch, and the through-hole in the drive ends locks onto drive tang. DURABLE CONSTRUCTION: Made from high-strength, heat treated Chrome Vanadium Steel, these bars meet and exceed ANSI/ASME standards. MUST HAVE: This set includes the most commonly used extension bar sizes: 3, 5, and 10-inch. Great for work on your car, these extensions will help prevent knuckle cuts from tight spots. RELIABLE | EFFECTIVE | EFFICIENT: Users trust ARES to be quality tools. You are backed by our Performance Assurance Limited Lifetime Warranty. If you have any issues with your ARES Impact Extension Bar Set, simply contact customer service for troubleshooting help, parts, replacement, or refund. ASPCA BUSINESS AMBASSADOR: We are proud to be part of the ASPCA Business Ambassador Program. If you have a pet, you realize they are more than a pet, they are part of the family. With your support, were proud to help this great organization. Includes: 3 pc. impact extensions 1/2-inch drive Sizes 3, 5, and 10-inch Constructed of heat treated Chrome Vanadium Steel Manganese Phosphate coating to resist corrosion Laser-etched for easy identification For use with all cordless, electric, and pneumatic impact wrenches Spring-loaded detent balls securely latch to tools Through-hole in drive end locks onto tang Extensions meet and exceed ANSI/ASME standards.