Wera 05020110001 Spanner 7-10x1/4-3/8in

The Wera 05020110001 is the Joker 6004 Self-Setting Spanner Set (4-piece).

It’s a professional automatic adjustable wrench set designed to grip hex nuts and bolts quickly without needing constant manual adjustment.

What it is

This set contains 4 self-setting Joker spanners that automatically adjust to different fastener sizes within a range of approximately 7–19 mm, covering the most common metric bolt sizes used in mechanical, plumbing, and industrial work.

The key feature is the self-setting jaw mechanism, which grips the fastener instantly when placed on it.

Key features

• 4-piece Joker 6004 spanner set
• Self-adjusting jaw system (automatically fits bolt size)
• Size range: 7–19 mm (approx.)
• Ratcheting function for faster tightening/loosening without repositioning
• 30° return angle for working in tight spaces
• Anti-slip jaw design to reduce rounding of fasteners
• Made from high-strength chrome-molybdenum steel
• Supplied in a folding fabric pouch