1/2" Sq. Dr. Ball type 125mm Extension Bar

Ko-ken extension bars represent precision engineering designed to expand reach and versatility across countless professional fastening applications. This 1/2 inch square drive ball type extension bar features a compact 125mm length, providing essential access to moderately recessed fasteners in engine compartments, transmission assemblies, machinery housings, and equipment frames where direct ratchet engagement proves impossible. The innovative ball retention mechanism provides secure socket engagement through a spring-loaded ball detent system, ensuring sockets remain firmly attached during operation while permitting effortless socket changes with a simple pull, eliminating the frustration of dropped sockets in challenging work environments, and streamlining workflow efficiency during multi-socket operations.

Specifications:

Attribute	Value
Input Drive Size	1/2"
Drive Shape	Square
Length	125mm
Type	Extension Bar - Ball Type
D Size	30mm