Features and Benefits:

• The Ko-ken Z-Series 3/8" Square Drive Socket Rail Set is engineered for professional automotive mechanics who demand maximum performance in confined working areas. Featuring the Z-Series thin-wall, low-profile socket design, this set provides outstanding access to tight and hard-to-reach fasteners without sacrificing strength or durability. Its advanced internal geometry creates a more secure fit between the socket, drive, and ball bearing, reducing play and improving stability for precise torque application. Mounted on a 300 mm rail for organized storage, the 11-piece 6-point set covers sizes from 1/4" to 7/8", making it ideal for a wide range of automotive and mechanical tasks. Manufactured to exacting tolerances with superior build quality, this set delivers dependable control, efficiency, and long-lasting reliability. California Proposition 65 Warning applies.



low profile, thin wall, patented ball holding groove