Tundra 30mm Knob - Walnut Satin Brass
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The Tundra 30mm Knob brings together the warmth of genuine walnut timber with a sleek solid brass base, creating a design that exudes natural luxury. Its round form and smooth finish offer ergonomic comfort, making it a perfect addition to modern cabinetry. The contrasting materials and minimalistic design add a sophisticated touch to any interior.
In stock — 20+ units available
• Dimensions: 30mm (Diameter) x 30mm (Width) x 28mm (Projection)
• Weight: 0.033kg
• Material: Genuine Walnut Timber with Solid Brass
• Finish Options: Walnut Timber with Brushed Brass
• Complementary Products: Pair with Kereste handles in 128mm or 192mm for a refined, cohesive look
• Installation: Rear-mounted. Includes 1 x 25mm M4 screw.
We offer free shipping Australia-wide on orders over $300. All other orders incur a flat-rate delivery fee of $16 + GST. Most in-stock items ship same-day when ordered before 1:00pm (AEST), with express delivery typically within 1–2 business days.
Please note that some products have specific lead times—check the product details before purchasing.
For international shipping or more detailed information, view our Shipping page.
All Castella products are backed by a lifetime warranty covering material and finish defects under normal use. To ensure longevity, proper installation and care are essential.
Exposure to coastal conditions or high humidity may accelerate ageing and is not always covered.
For full details or to make a claim, visit our Warranty page.
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Why Castella
Exceptional hardware starts with considered detail. Each piece is crafted for its design integrity, material quality, and timeless appeal—made to elevate spaces and stand the test of time. Backed by a lifetime finish warranty, 60-day returns, and the support of our in-house design team, we’re here to make every detail feel effortless.

Fast, free shipping on orders over $300

60-day returns for peace of mind

Lifetime finish warranty on all products

Expert support from our design team
Tundra Collection
The Tundra Collection beautifully blends the warmth of walnut timber with the elegance of solid brass accents. Featuring subtle knurled detailing on the handles and knob, the Tundra range effortlessly elevates cabinetry, offering a perfect balance of natural beauty and modern design. Ideal for both contemporary and classic interiors, its tactile appeal and luxurious finish make it a standout choice for kitchens, wardrobes, and living spaces alike.
$27.00
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$57.00
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$47.00
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Handmade in Tasmania.
Discover collections crafted by local artisans using Tasmania’s finest sustainably sourced timbers — including rare Hydrowood, reclaimed from submerged forests beneath Tasmania’s lakes.
FAQs
Yes. We recommend 316 Stainless Steel and PVD-coated products for enhanced durability in coastal environments. These materials are naturally resistant to corrosion and designed to withstand harsher conditions.
Yes, many of our ranges are designed to complement each other. If you’d like guidance on selecting matching pieces, reach out to us at castella@castella.com.au — we’re here to help.
Visit our Care & Maintenance page for detailed cleaning guidance by material type. Taking a little extra care will ensure your hardware continues to look beautiful for years to come.
Yes, all Castella hardware includes the appropriate screws and fixings required for installation. If you need alternative screw sizes or specifications for your project, please contact us at castella@castella.com.au, and we’ll be happy to advise.
Our standard screws are designed for common joinery thicknesses. If you require alternative screw sizes or specifications, please contact us at castella@castella.com.au for tailored advice.
Yes, we can provide replacement screws and fixings for Castella products. Please contact us at castella@castella.com.au with your product details, and we’ll assist you.
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