Cool tool: Wera Joker self-adjusting wrenches

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Review and impressions of the Wera Joker 6004! Knipex replacement or not?

So, I’m in the middle of a huge motorcycle project, where I took a 1969 Honda CB350 and turned it into a serious little brat tracker. It was a ton of fun, and since I’ve never done a build like this before, it meant buying or upgrading a bunch of my tools. Unfortunately, I haven’t seen these rad self-adjusting wrenches from Wera before I did.

Now I love my GearWrench ratchets, but they take up a lot of room in my otherwise small toolbox, so having four ratchets that range from 7mm all the way up to 19mm (aka ¼ inch to ¾ inch in old money) in just four tools would have been very useful. So useful that I just ordered these things.

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A messy garage with a pile of motorcycle parts scattered around.

I somehow have even less room for tools than it looks, so shrinking the keys will help.

So what makes them different from the normal adjustable wrench or a standard set of closed end ratchets? For starters, they automatically adjust in size for their designated range using a cam mechanism built into the wrench head. This means there are no little pawls or cog teeth to break off when winding them, and there’s no need to chew your thumb to open and close a normal adjustable wrench.

Another great feature of Wera’s “self-adjusting wrenches” is that their jaw design allows you to grip the flat of a fastener or, using the notches near the end of the jaws, to grip a pair of tips. Having more options for grabbing a binding is usually a good thing, especially if those bindings are beat-up old Honda bolts that have spent the last 50 years outdoors in the California desert.

A key does heartbreaking things in a heartbreaking rendition.

A key does heartbreaking things in a heartbreaking rendition.

It uses a cam system to open and close the jaws, no knurled wheels needed!

Like all German tools, these little babies don’t come cheap, but if you’re a tool enthusiast or just don’t have a lot of room in your box or bag, this isn’t such a big deal. bad business. You can score the Joker 6004 key set on Amazon for around $146 at press time.

If you want to know how these Weras work, keep an eye here. I will update this story if they totally suck.

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