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About the scoresThe scores are calculated mechanically by applying the criteria table at the end of the page to figures published on the manufacturers' official pages and manuals (and on retail or comparison pages where an official figure was not available). We call it the "Spec Score".
Spec Score #3Over-the-sink (tension-mounted, multi-tier)
Best if you want tiers to spread things out and hold a lot
2.47★★☆☆☆Spec Score (out of 5)
See on Amazon¥11,999See on Rakuten¥11,999Price as of 2026-09-02 · affiliate link · Opens the shop's site
We could not find an official product page, so the figures for this product come from the Amazon retail page. The Rakuten Ichiba page of the Tsubame-Sanjo direct store (model 50011) was also checked and matches in size and included parts.
Score Breakdown
Specs
| Type | Tension-mounted multi-tier rack that sits over the sink |
|---|---|
| Size | about W48.5 x D24 x H70-110 cm |
| Material | Baskets: 18-8 stainless steel / Frame and trays: 18-0 stainless steel |
| Included | 1 shelf, 2 draining baskets, 2 trays |
| Made in | Japan (Tsubame-Sanjo) |
| Maker / model | Sato Seisakusho Co., Ltd. (per Amazon) / 50011 |
🙂 Good points
- Frame, baskets and trays are stainless steel (baskets are 18-8)
- A multi-tier set with 1 shelf, 2 draining baskets and 2 trays
- Height adjusts from about 70 to 110 cm
🙁 Things to note
- At the Amazon price on the listing date (2026-09-02), the highest of the four (11,999 yen)
- A tension-mounted rack about 70 to 110 cm high, fitted to the height above your sink
Sources
Amazon [retail page] ／ Rakuten Ichiba [retail page] (Tsubame-Sanjo direct store, model 50011)
Scores are calculated only from specs published on official and retail pages.