Wera 6004 Joker S Self-setting open-end Spanner Wrench 7/16″-1/2″ | 05020100001

Wera 6004 Joker S self-setting open-end spanner, 7/16"–1/2" (05020100001)

The Wera 05020100001 is a 6004 Joker S self-setting open-end spanner designed to cover fastener sizes from 7/16" to 1/2" for efficient work where you want one tool to adapt across a small range. Ideal for installers and maintenance professionals, it helps streamline tightening and loosening tasks on compatible hex fasteners.

This Wera open-end spanner wrench is a compact, single-piece hand tool with a 154 mm length, making it easy to carry in a toolbag while keeping a practical reach for everyday on-site tasks.

Key Features

• Self-setting jaw: Adapts to a defined range of imperial fastener sizes (7/16"–1/2") to reduce tool changes during repetitive work.
• Open-end spanner design: Quick to position on accessible nuts and bolts for efficient tightening and loosening.
• Compact length: 154 mm overall size suits toolbags and mobile maintenance kits.
• Single-piece tool: Straightforward, grab-and-go format for everyday site and workshop use.

Specifications at a glance