.This is a Kai Housewares set of 3 graters from the Cook File series.
The graters come in their original box and with a clear plastic case. One of the graters has a single, straight blade, another is similar with a straight blade and a serrated blade, and another has a series of holes with serrated edges.
Each measures approximately 9.5" long, 3.5" wide, and 0.25" deep.
The set comes in great pre-owned condition.