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Also, you cut the short bend off of one of the "L" shaped hand allen wrenches, then use a 6 point 6mm socket on the (now straight) allen wrench.
+1. I recommend using a ball end ones for those hard to reach bolts. It helps to use a deep socket to hold the allen key because less of the allen key will flex when you torque it back. This will give you a more accurate reading on your torque wrench.