Allen keys in the set:

METRIC	IMPERIAL
0.7mm	0.0028′
0.9mm	0.0035′
1.3mm	0.0050′
1.5mm	1/16′
2.0mm	5/64′
2.5mm	3/32′
3.0mm	7/64′
4.0mm	1/8′
4.5mm	9/64′
5.0mm	5/32′
5.5mm	3/16′
6.0mm	7/32′
7.0mm	1/4′
8.0mm	5/16′
10.0mm	3/8′

 

NOTE:
Allen keys are also known as hex keys.

Application:

The
set includes 15 metric and 15 imperial Allen keys. The total of 30 Allen keys
are popularly used in many industries.