Allen

Is it normal Allen keys are loose fitting?
The target outside dimensions for the most common bike hex wrench sizes (4, 5, and 6mm) are all around . 1mm less than the bores they fit in, which ma...
Why are ball socket allen wrenches
The ball end makes it easier to slide the key into the receiving slot. It allows you to reach at an offset 30 degree angle so that you can feel your w...
Is the Park Tool Allen Wrench going to strip out bolts?
How do you remove a seized Allen bolt?Why did the ball end Allen wrench?How do you remove Allen bolts without Allen keys?What can I use in place of an...
Separate hex keys vs. combined multi-tool for bike adjustments?
What is the best multi tool for bikes?What size Allen keys do you need for a bike?What is a hex key set used for?Who makes the best T handle hex key s...