Name: 316L Hammered Square Ring [silver or gold]
Brand: BLACK CLAW
SKU: C16
Price: 96.0 USD
Availability: InStock

316L Hammered Square Ring [silver or gold]

$96.00

Tax included. Shipping calculated at checkout.

Flat rate shipping ¥500 (Free for orders over ¥20,000)

Low stock - 5 items left
Backordered, shipping soon

Medical 316L Surgical Stainless Steel | Hypoallergenic

Sauna, ocean, and weight training OK｜Wear it 24/7

A unique look carved by hammering.

A square ring with a hammered finish, hammered by hand. The appearance changes depending on how the light hits it.

Available in 2 colors (silver/gold) and US sizes 8-10.

◆

316L Surgical Stainless Steel

Used in medical devices

◆

Hypoallergenic

Safe for sensitive skin

◆

Resistant to water and sweat

Wear it in saunas and at the beach

◆

2 colors × 3 sizes

silver / gold × US8〜10

Product Story＋

A unique sparkle born from hammering.

The 316L Hammered Square Ring is a square ring with a hammered pattern on its surface. Each subtly different hammered mark irregularly reflects light, creating a unique presence that changes its expression depending on the angle from which it is viewed.

With its simple yet distinctive square shape, it's a timeless piece that can be enjoyed for a long time. It's perfect as a treat for yourself or as a gift for a loved one.

316L stainless steel is highly durable and oxidation-resistant, making it resistant to fading and discoloration. It is hypoallergenic and gentle on the skin, so you can wear it continuously in the sea or bath.

Product Specifications＋

Material316L Surgical Stainless Steel
ColorSilver / Gold
SizeUS8 / US9 / US10
Approx. Japanese Size16 / 18 / 20
FinishHammered

Material & Care＋

Care instructions for long-lasting use

Wipe gently with a soft cloth
If dirt is a concern, wash with lukewarm water diluted with a neutral detergent and wipe dry thoroughly.
Store individually to avoid rubbing against other accessories.

Things to avoid
Long-term wear in hot springs/chlorine pools / Direct contact with cosmetics/perfumes / Heavy impact/dropping

Size & Wearing＋

Available in 3 sizes: US8 (JP 16), US9 (JP 18), US10 (JP 20) and 2 colors: silver/gold. If you are unsure about sizing, please feel free to contact us.

View Size Guide View FAQs

Shipping & Returns＋

Shipping Fee: ¥500 nationwide (Click Post) / Free shipping for purchases over ¥20,000
Dispatch: Within 3 business days after order confirmation
Delivery: Approximately 2-4 days after mailing
Tracking: A tracking number will be sent via email upon dispatch.

Returns/Exchanges
・Defective products / Incorrect delivery: Covered by us (within 7 days of arrival)
・Customer's convenience: Only if unused and with all accessories (return shipping at customer's expense)
・Metal allergies: Returns accepted within 14 days of wearing

Please feel free to contact us with any questions.

Official LINE / Store inquiry form
Email: blackclawjp@gmail.com
Business Hours: Weekdays 10:00 - 18:00

A unique look carved by hammering.
Hammered Square Ring for your fingertips.

◆ Made exclusively from 316L surgical stainless steel and S925 silver, also used in medical devices.
◆ Highly resistant to rust, tarnish, and scratches, making it safe to wear in saunas, at the beach, or during workouts.
◆ Relatively safe for those with metal allergies to wear.
◆ All products are inspected and delivered in a BLACK CLAW original box.

◆ We will accept returns and exchanges for defective products or incorrect deliveries at our expense.
◆ If you experience a metal allergy, we will accept returns within 14 days of wear.
◆ Returns due to customer preference are accepted only if the item is unused and all accessories and packaging are included (return shipping costs are borne by the customer).
◆ For size consultations, please feel free to contact us via our official LINE account or inquiry form.

◆ Ships within 3 business days.
◆ Nationwide flat rate shipping of ¥500 / Free for purchases over ¥20,000 (Click Post, with tracking number)
◆ Delivered 2-4 days after mailing

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医療用316Lサージカルステンレスサウナ・海・筋トレOK ¥20,000以上送料無料刻印サービス対応

BLACK CLAW

You can use it as is, even in the sea or bath.

Since these are items you wear every day, we've focused on materials that are gentle on your skin and comfortable to wear.

They are also used in medical devices, so
those with metal allergies
can use them with relative peace of mind.

Necklace

Materials

Commitment to materials

Enjoy the overwhelming sense of weight.
Rust-resistant and scratch-resistant!

It's allergy-friendly, so you can wear it all the time!
It will definitely create a striking look for your wrist.

In detail

Customer Testimonials

★★★★
It's noticeable but understated. It doesn't tarnish at all, even when worn every day, and the best part is I don't have to take it off while working out.

K.T.
Fukuoka Prefecture, 30s

★★★★
I bought this as a gift for my boyfriend. I was surprised by the luxurious feel of the original box. He was incredibly happy with it, and I'm very satisfied.

Master of Science
Tokyo - 20s

★★★
I like the simple yet not cheap-looking design that works for both business and private occasions.

Y.H.
Osaka Prefecture - 30s

★★★★
I have a metal allergy, but since this is surgical stainless steel, there's no rash. I even wear it in the ocean and there's no discoloration, it's the best.

R.N.
Okinawa Prefecture, 20s

★★★★
This is my third repeat purchase. People sometimes ask me what brand it is.

D.K.
Kanagawa Prefecture, 30s

Gift

Delivered in carefully considered packaging

We will ship the item in an original box with the BLACK CLAW logo. Wrapping bags are also available upon request. Please feel free to use this for gifts to your loved ones.

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