About this item
Ko-Ken RS3400AZ/11 3/8" Square Drive 6-Point SAE Z-Series Socket Set, 11 Pc.
- RS3400AZ/11
- Ko-Ken Tools
- Ratchets & Sockets
Features
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Key points
- Z-Series (Z-EAL) – ultra-modern compact design for working in confined spaces
- 6-point FLAT DRIVE® – Designed to guarantee a flat surface contact between the socket and bolt/nut to reduce wear and transmit a higher torque value
- 3/8" (9.5mm) Square Drive
- With socket storage rail
- Fine tolerances provide a snug, precise fitment on fastener heads
Description
The Ko-ken Z-Series represents the new standard for professional automotive mechanics, combining a compact profile with high performance. Engineered for tight and hard-to-reach spaces, Z-Series sockets feature a thin-wall, low-profile design without compromising strength or durability. Their innovative interior geometry delivers a tighter fit between the socket, drive, and ball bearing—minimizing movement and ensuring a more secure, stable connection. With precision tolerances and superior build quality, the Z-Series sets a new benchmark for accessibility, control, and reliability in modern automotive work.