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Handcrafted in Iwate Prefecture, this cast-iron kettle showcases the traditional Nambu arare (hailstone) pattern—named for its tiny, rounded bumps—that both hides scratches and improves grip.
The rare pattern consists of small, round bumps densely arranged across the surface. Named after arare due to their shape, this design is widely used on Nambu iron kettles and teapots. It also has practical benefits—it helps hide scratches and makes the kettle easier to grip.
With a capacity of 1 L (33.8 fl oz), it holds enough hot water for family use or when entertaining guests. Boiling water in the kettle naturally adds iron and helps reduce chlorine, producing smoother, better tasting hot water.
It is compatible with induction cooktops (IH), making it easy to use in modern kitchens. Durable and long-lasting, it’s ideal for daily use and also makes a thoughtful gift.
DETAILS
Quantity | 1 |
Size |
[With lid] D 16.0 cm (6.3 in) x W 19.0 cm (7.5 in) x H 12.0 cm (4.7 in) [Handle] W 14.0 cm (5.5 in) x H 12.0 cm (4.7 in) [Whole size] H 20.0 cm (7.9 in) [Size of opening] D 8.0 cm (3.1 in) |
Capacity | 1.0 L (33.8 fl oz) |
Weight | 1,590 g (56.1 oz) |
Material | Iron |
Microwave | No |
Dishwasher | No |
Maker / Brand
Roji Associates, founded in 2000 by artist Iwashimizu Hisao and his brother in Oshu City, Iwate Prefecture, crafts Nambu ironware that marries traditional robustness with modern design. Renowned for its gently curved forms, vivid hues, and playful motifs, the brand reinterprets classic aesthetics.
Drawing inspiration from tea master Sen no Rikyu’s philosophy of simplicity, their works embody durability alongside innovation. Globally recognized and featured in MoMA’s museum shop, Roji Associates stands as a leader in contemporary craftsmanship.

Crafts
Nambu ironware, a representative of Japanese ironware, is a collective term for the pure iron casting crafts of the Mizusawa region and Morioka City area of Iwate Prefecture. The name comes from the fact that it was made in the area known as the Nambu domain in the past.
The appeal of Nambu ironware, which has been loved throughout the generations, is not only its simplistic beauty, but also its many functional merits of being durable and easy to use in daily life.

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Cast Iron Kettles
In Japan, the traditional cast iron kettle known as the tetsubin has long been cherished for both its function and form. It has been valued for its excellent heat retention, due to its thick cast iron body. The inner iron surface absorbs chemicals in tap water, softening the taste and naturally releasing iron.
The tetsubin originated in the 17th century and evolved alongside Japan's tea culture. Among the most renowned production areas is Iwate Prefecture, home to Nambu ironware. These kettles continue to be crafted using traditional techniques while incorporating modern design, making them enduring in use and aesthetically pleasing in contemporary settings.

Nambu Ironware's Charm: Warmth for Body and Heart

How to Care for Nambu Ironware

Guide to Japanese Teapots
