Hex Key Cheater Bar

If you need to use a "cheater" on a hex key, don't stick it on the long end. Grip the neck of the key with an adjustable wrench and you'll have a very solid, strong device that will really apply the torque:

If you need to use a "cheater" on a hex key, don't stick it on the long end. Grip the neck of the key with an adjustable wrench and you'll have a very solid, strong device that will really apply the torque: