7-in-1, metric, small, fold up, hex key set, includes: 1.5mm, 2mm, 2,5mm, 3mm, 4mm, 5mm & 6mm.
Sizes are clearly marked on the handle for easy identification.
Keys are held in any work position or angle by a flat spring in the bottom of the case.
Made from 8650 chrome nickel alloy steel drawn to a tolerance of plus .000/minus .001.
Hex corners are sharp & clean.