Turtle grater

★★★★★ 9.9 · 1,350 verified reviews on the store
HANDMADE IN SAITAMA Each piece crafted individually
HAMMERED TINNED COPPER Hardened with a hammer, then tinned
HAND SAWN They cut instead of crushing
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OOYA Orishigane Japanese grater in the shape of a turtle, handmade in Saitama from hammered, tinned, and hand-toothed copper. Grates more finely than Western models for garlic, ginger, wasabi, or nutmeg without crushing the food.


Features
Weight
65 g
Material
Copper
Color
Gray
Origin
Japan
Manufacturing
Handcrafted
Usage & Entretien
Keep out of reach of children.
Thoroughly clean and dry after each use. Fibers may remain lodged in the blades; they can be removed with a brush such as a toothbrush.
If rust marks appear, they can be removed with a mixture of white vinegar and salt.
Saitama, Japan

Copper takes shape under the hammer

In Saitama, the Oya Seisakusho workshop, founded in 1949, makes oroshigane graters. Each piece comes from the hands of a craftsman, individually shaped. The copper is first hardened by hammering, then tinned and cut into the traditional turtle shape. The teeth are then hand-sawed and lifted. It is this slow work that creates blades so small and so sharp.

Hand-cut teeth
Hand-cut teeth
Tinned copper, Saitama workshop
Photo
Photo
Photo
Photo
1949
Oya Seisakusho Foundation
Saitama
Workshop location, in Japan
Tinned copper
Grater material
Piece by piece
Handmade

Know-how

What’s at stake in every grater

01

Hammer-hardened copper

The copper is hammered before any shaping. This step hardens it and prepares the plate for the work of the teeth.

02

Tinning

Once hardened, the plate is tinned. The tin covers the copper and gives the grater its bright surface.

03

The turtle shape

The plate is then cut into the shape of a turtle, the traditional silhouette of these Japanese graters.

04

Serrated and raised teeth

Each tooth is hand-sawed, then lifted. All this work is done by hand, piece by piece.

05

Cut rather than crush

The blades are small and very sharp, so they cut the food instead of crushing it. The texture and flavor remain intact.

06

Gesture and maintenance

Rub the food in a circular motion to get a very fine puree. Hand washing is recommended, and be careful with your fingers, the blades are really sharp.