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Old 26th Feb 2021, 9:01 pm   #13
MotorBikeLes
Nonode
 
Join Date: Dec 2012
Location: Kirk Michael, Isle of Man
Posts: 2,350
Default Re: What Allen Key Size?

Comments have been made about accuracy of low quality Allen keys. Your photo shows "Rolson", one of the really cheap purveyors of every sort of rubbish, from timing guns (useless) to, well, Allen keys. Try some by one of the USA tool manufacturers, or even a (genuine) UK manufacturer, if you can find one.
Les.
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