Ko-ken USA 3/8 Sq. Dr. Socket set 7-19mm 6 point 300mm Z-series - Koken

The Ko-ken USA RS3400MZ/12 Z-series socket set delivers a compact and professional-grade solution for accessing and driving metric fasteners in confined work areas. This 3/8" drive, 6-point set covers essential sizes from 7 mm to 19 mm, featuring a thin-wall design for enhanced access without compromising tool strength or fastener engagement. Engineered for daily use, it provides reliability for professional automotive and industrial settings.

Key Features

• 3/8" Square Drive: Compatible with standard professional 3/8" drive ratchets, torque wrenches, and extensions for versatile application.
• 12-Piece Metric Range (7–19 mm): Addresses common fastener sizes (7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19 mm) across a broad spectrum of repair and maintenance tasks.
• 6-Point Socket Design: Engineered to provide secure engagement with fastener flats, minimizing the risk of rounding, particularly under high torque conditions.
• Z-Series Thin-Wall Construction: The slim profile facilitates access to recessed fasteners and around obstructions where conventional sockets may not fit, improving efficiency in tight spaces.
• Organized Socket Rail (300 mm): Maintains socket organization and visibility, enabling quick size identification and streamlined workflow on the job.

Applications

This 3/8" drive metric socket set is well-suited for detailed engine bay work, suspension, and chassis fastener operations on a variety of Asian and European vehicles, as well as many domestic applications utilizing metric hardware. The Z-series thin-wall design is particularly advantageous around intake components, sensor locations, brackets, and accessories with limited clearance. It also proves effective in motorcycle repair, powersports equipment maintenance, industrial machinery adjustments, and general industrial maintenance tasks where compact, precise sockets are necessary to reach fasteners without extensive disassembly.

Specifications

• Manufacturer / Model: Koken RS3400MZ/12
• Drive Size: 3/8" square drive
• Socket Sizes: 7–19 mm (12 pieces), 6-point
• Rail Length: Approx. 300 mm
• Weight: 1.1 lb
• Dimensions (L × W × H): 13" × 2" × 1.5"