Wera Joker Adjustable Self-setting spanner wrench 6004-S. This thing is pretty cool and effective.

Cool Tool: Wera Joker Self-Setting Wrenches

Wera 6004 Joker M Self-Setting Spanner

Wera Joker VDE 4 Set 1 6004 Insulated Self Setting Adjustable Spanner

Wera Joker adjustable wrench

With its continuous and parallel jaws the Joker 6004 replaces several single spanner sizes. The required size is automatically and continuously set

Wera 6004 Joker XS Self-Setting Spanner Automatic And Continuous Grip

The adjustable Joker 6004 covers all metric and imperial dimensions in the respective field of applicationAutomatic and continuous grip of hexagon

Wera Joker 6004 Self Setting Adjustable Spanner Wrench Individual XS-XXL

Wera Tools 05020101001 6004 Joker L Joker with Flexible Size Adjustment; 16-19mm

Wera Tools 6004 Joker L Joker with Flexible Size Adjustment; 16-19mm

Wera 020153 Joker 6004 VDE Self-setting Wrench, Large

Wera%206004%20self%20adjusting%20wrenchSize%3A%20Small%20(10%20-%2013mm%20or%207%2F16%20-%201%2F2%22)OAL%3A%20154mm%20(6.1%22)Automatic%20and%20contin

Wera 020100 Joker 6004 Self-setting Wrench, Small

Wera 6004 Joker Self Setting Wrench XXL 05020102001

Wera Tools 6004 Joker XXL Joker Flexible Size

Wera Combination Spanner Wrench Set 6003 Joker 4 Set 1 Metric 4 Piece

Wera Joker 6004 Self Adjusting Wrench — Best HVAC Tools, Reviews