Wera 05020103001 Spanner 13-16x1/2-5/8in

The Wera 05020103001 is the Joker 6004 Self-Setting Spanner (M size).

It is a compact professional automatic adjustable wrench designed to grip hex nuts and bolts without manual adjustment.

What it is

This is a self-setting spanner from the Wera Joker 6004 series, sized for metric fasteners approximately 13–16 mm. It automatically adjusts to the correct width when placed on a nut or bolt, making it faster and more convenient than a traditional adjustable wrench.

Key features

• Self-adjusting jaw mechanism (auto-locks onto fastener size)
• Suitable for 13–16 mm hex nuts/bolts
• Ratcheting action for faster tightening/loosening without repositioning
• Anti-slip gripping jaws to reduce rounding of fasteners
• 30° return angle for working in tight spaces
• Compact 188 mm overall length
• Made from high-strength chrome-molybdenum steel
• Part of the Joker 6004 “self-setting spanner” system