Allen Key set for commercial or occasional use. Chrome vanadium steel for strength and durability, extra long for access into restricted areas. Supplied with a plastic holder for storage and transport, individually  size marked.

1.5mm, 2.2mm, 2.5mm, 4. 3mm, 5. 4mm Allen Keys.

6. 5mm, 7. 6mm, 8.8mm, 9.10mm Allen Keys.