The Ko-ken 3286Z 3/8" (9.5mm) Drive 21-Piece Z-Series Metric Socket Set is a professional-grade hand tool set designed for precision fastening, durability, and long-term use. Manufactured in Japan by Ko-ken Tools, this socket set is suitable for automotive, mechanical, and industrial applications.
The set includes 3400MZ 6-point metric sockets in sizes 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, and 22 mm, providing secure fastener engagement and reduced rounding. A 3/8" drive 72-tooth ratchet delivers smooth operation and fine control in confined spaces.
Also included are three 3760Z extension bars (75 mm, 125 mm, and 250 mm), a universal joint for angled access, and a quick spinner for rapid manual fastening. All tools are stored in a durable metal case for protection, organization, and convenient transport.
What’s Included:
Sockets (14): 3/8in square drive, metric, 6-point
Sizes: 7 mm, 8 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, 21 mm, 22 mm
Ratchet (1): 3/8in square drive, 72-tooth, 178 mm length
Extension Bars (3): 3/8in square drive
Lengths: 75 mm, 125 mm, 250 mm
Universal Joint (1): 3/8in square drive
Quick Spinner (1): 3/8in square drive
Breaker Bar (1): 3/8in square drive, 250 mm length
Storage Case (1): Metal case
Specifications:
Weight: 2.6 kg
Material: Chrome‑vanadium steel
Case Dimensions: 415 mm × 120 mm × 50 mm
Country of Manufacture: Japan
The Ko-ken 3286Z 3/8" (9.5mm) Drive 21-Piece Z-Series Metric Socket Set is a professional-grade hand tool set designed for precision fastening, durability, and long-term use. Manufactured in Japan by Ko-ken Tools, this socket set is suitable for automotive, mechanical, and industrial applications.
The set includes 3400MZ 6-point metric sockets in sizes 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, and 22 mm, providing secure fastener engagement and reduced rounding. A 3/8" drive 72-tooth ratchet delivers smooth operation and fine control in confined spaces.
Also included are three 3760Z extension bars (75 mm, 125 mm, and 250 mm), a universal joint for angled access, and a quick spinner for rapid manual fastening. All tools are stored in a durable metal case for protection, organization, and convenient transport.
What’s Included:
Sockets (14): 3/8in square drive, metric, 6-point
Sizes: 7 mm, 8 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, 21 mm, 22 mm
Ratchet (1): 3/8in square drive, 72-tooth, 178 mm length
Extension Bars (3): 3/8in square drive
Lengths: 75 mm, 125 mm, 250 mm
Universal Joint (1): 3/8in square drive
Quick Spinner (1): 3/8in square drive
Breaker Bar (1): 3/8in square drive, 250 mm length
Storage Case (1): Metal case
Specifications:
Weight: 2.6 kg
Material: Chrome‑vanadium steel
Case Dimensions: 415 mm × 120 mm × 50 mm
Country of Manufacture: Japan
