We are manufacturer of kinds of allen key sets(hex key set), combination of different sizes are available!

Item: Allen key

1) Material: carbon steel 45#, 50CRV

2) Finished: Cr plated, zinc plated, Black

3) Type: trox head, hex head, ball head, etc.

4) Size: 1.5,2,2.5,3，4，5，6，8，10，15，20，25，27，30，40，45，50

            1/20,1/16,5/64,3/32,7/64,1/8,9/64,5/32,3/16,7/32,1/4,3/8

5) Packing: 6-25pcs/set

                        Pls contact sales@metecmetal.com for more information!