It always seems like when you need to make an adjustment you can never find a hex key.A bright colored holder & protective bright coating on each hex key make these sets easy to find in the pits or in your gearbag.Buy a few extra sets for your teammates who are always "borrowing" yours!Includes the following sizes.1/4"7/32"3/16"5/32"9/64"1/8"7/64"3/32"5/64"1/16"0.050"