Hellfire Tools Hex/Allen  Keys
 
These are individually sourced from the UK and are of high quality heat treated steel - not to be confused with cheaper imports.
 
Replacement set of allen/hex keys for your guitar.
 
Metric Std & Long contains - 4mm, 3mm, 2.5mm, 2mm, 1.5mm  (5 pack)
 
Imperial/USA/Fender contains - 3/16", 1/8", 0.050" (3 Pack)