MIXPOWER 9-Piece Extension Bar Set, 1/4", 3/8" and 1/2" Drive Socket Extension, Premium Chrome Vanadium Steel with Black Phosphate Finish, Engineered for Impact Drivers

Made from premium Chrome-Vanadium steel alloy (50BV30) with black phosphate finish for durability.

Set Include 3-piece 1/4" Dr.: 2-inch, 4-inch, 6-inch, 3-piece 3/8" Dr.: 3-inch, 6-inch, 10-inch, 3-piece 1/2" Dr.: 3-inch, 5-inch, 10-inch.

Prevents Dropping The spring-loaded detent ball system at the end of bars locks socket into place for security and prevents dropping while the through-hole in the drive end will ensure that your extension bars are securely locked onto the drive.

Easy to Organize It comes with a durable blow-molded carrying case for easy transportation, safe storage and quick organization.

Service Guarantee All MIXPOWER Tools meet or exceed ANSI performance standards.

It comes with 1 year quality guarantee.